A test under controlled conditions that is made to demonstrate a known truth
examine the validity of a hypothesis, or determine the efficacy of something
previously untried.
6
Water has a variety of unique properties, including a low melting point, ability to dissolve other substances, and strong adhesion and cohesion. Which statement is MOST useful for explaining the unique properties of water? A. Water molecules are nonpolar, so a very minimal electrical force attracts them to one another. B. Water molecules may sometimes gain or lose an oxygen atom to become ions, which are held together by ionic bonds. C. Water molecules are held together by hydrogen bonds, which are attractive forces stronger than ionic bonds. D. Water molecules are held together by hydrogen bonds, which are attractive forces weaker than covalent bonds.
Answer:
D. Water molecules are held together by hydrogen bonds, which are attractive forces weaker than covalent bonds
Explanation:
Water is a chemical molecule with unique properties such as a low melting point, ability to dissolve other substances, and strong adhesion and cohesion, as stated in this question. This unique properties can be attributed to the HYDROGEN BONDING that holds the molecules of water together.
However, the hydrogen bonding of water molecules is an attractive force that is quite WEAKER than ionic or covalent bonds but it holds water molecules tightly to one another.
When organisms break the bonds of organic compounds the organisms can
Answer:
When organisms break the bonds of organic compounds the organisms can gain energy in the form of ATP.
Explanation:
To protect our rights, the Constitution divides powers between the federal government's branches. This principle is called "separation of powers." Each branch of government holds distinct but equal authority. For example, Congress has the power to create laws, while the president has the power to execute these laws. The preamble states the purpose of "securing the Blessings of Liberty." Our freedoms are secured when power is not concentrated in any single branch of government. This helps our government to provide for our needs while respecting our rights.
Answer:
Explanation below
Explanation:
Separation of powers is very important and crucial in federal type of government. This is helpful because it decentralized the power, and prevent one arm of government from being a dominating force.
It will help the government to provide the necessary and needed infrastructure for the citizens. This is because the conclusion will be reached with approval of all the arms of government.
Someone please help ! Will give brainliest !
tbh I'm pretty sure this is right
Which three of these development were major effector european colonization in africa
Answer:
More advanced medicine
Answer:
improvement in transportation and education systems. disregard for existing political or ethnic boundaries. promotion of free trade across countries.
Explanation:
Describe the net movement of water when a dialysis bag containing a 0.2 M sucrose solution is placed into distilled water, which contains no solutes.
a. There will be no movement of water.
b. Water will move into the bag.
c. Water will move into the beaker.
d. There will be no net movement of water.
Answer:
b
Explanation:
The correct answer would be that water will move into the bag.
The 0.2 M sucrose solution in the dialysis bad has a lesser water potential when compared to the distilled water that has no solutes. By law, water moves from the region of higher water potential to the region of lower water potential. The dialysis bag will, hence, act as a semi-permeable membrane and allow water into the bad from the surrounding distilled water.
The correct option is b.
The process of making bread is an example of:
1) Cellular respiration
2) Alcoholic Fermentation
3) Aerobic Fermentation
4) Lactic Acid Fermentation
Which is the largest prefix? Meter- Centi- Milli- Kilo-
Answer:
kilo is the largest
Explanation:
kilo- is the largest
This explains how one type of rock changes into another type of rock
A - the mineral cycle
B - metamorphism
C - the rock cycle
Answer:
B
Explanation:
When the speed of the bottle is 2 m/s, the KE is
V 0.5 kg • m/s2
When the speed of the bottle is 3 m/s, the KE is
V1kg m/s2
When the speed of the bottle is 4 m/s, the KE is
V 24 kg . m/s2
When the speed of the bottle is 5 m/s, the KE is
V 3 kg . m/s2
When the speed of the bottle is 6 m/s, the KE is
V 5 kg. m²/s2
Answer: 0.5. 1. 2. 3. 5
Explanation:
When the speed of the bottle is 2 m/s, the KE is These are the responses to the speed question: 0.5, 1.125, 2, 3.125 and, 4.5
What does speed mean?Speed is defined as the distance that is allegedly covered in a given amount of time. It is regarded as the speed at which anything is said to move.
In this instance, speed is estimated as 1/2mv2.
As a result, the variables for calculation are:
If the bottle is moving at 2 m/s, then
= ½ (0.250) (2) ^2
= 0.5
If the bottle is moving at 3 m/s,
= ½ (0.250) (3) ^2
=1.125
If the bottle is moving at 4 m/s, then
= ½ (0.250) (4) ^2.
= 2
If the bottle is moving at 5 m/s, then
= ½ (0.250) (5) ^2
= 3.125
= ½ (0.250)(6)^2
=4.5
Therefore, It is regarded as the speed at which anything is said to move.
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1. Which of the following gases is need by plants?
Answer: Carbon dioxide
Explanation:
To perform photosynthesis, plants need three things: carbon dioxide, water, and sunlight. for photosynthesis. Carbon dioxide enters through tiny holes in a plant's leaves, flowers, branches, stems, and roots. Plants also require water to make their food.
In the Colorado mountains, three species of bumble bees live in the same habitat. Each species has a different proboscis length: short, medium, or long. Each visits nectar-producing plants that match its proboscis length. This situation suggests that natural selection in the three bumble bee species has resulted in
Answer:
resource partitioning
Explanation:
Resource partitioning can be defined as the division of limited resources that enables species to avoid competition when they live in the same habitat. Moreover, interspecific competition is defined as the competition for limited resources among individuals of different species. In a given environment, species can be competing for essentially the same limiting resources. In the case of the bumblebees, the competence is reflected by differences based on the length of the proboscis (competence for the food), thereby resource partitioning enables species to coexist with one another.
Other than shape, what characteristics are used to identify the various bacterial species?
Answer:
Explanation:
One major characteristic used to identify bacterial species is by Gram staining. This makes bacteria to be classified into two broad classes; Gram positive bacteria (appear purple after stain) and Gram negative bacteria (appear pink after stain).
Another characteristic used is the presence or absence of capsule.
Other characteristics include there motility (which can be due to the presence of flagella), bonding tendency (which can be individually or in pairs) and also pathogenic bacteria can be classified as intracellular or extracellular bacteria.
Match the terms on the left to the correct definitions *
5 points
Part of a A molecule
chromosome that makes
that is passed
up a
from parent to component of
offspring a ribosome
A biomolecule
that is made
of one or more
amino acids
and that
performs a
specific
function
A nucleotide Guanine,
polymer that cytosine,
uses uracil,
deoxyribose adenine, or
sugar thymine
protein
gene
DNA
RNA
Nitrogen
base
554Answer:544
gfnknmfdjkfrgfnfewnm f,m dsmnfdl;skgfkldskmlglkmrfvdsf
redewn d dnlsfnmddmffmf,dsfdfExplanation:er44dfdsfdsf
fdnjifljdkfdjkldfkldfkjlfdfdskfdknflkndlkfldnsfn
PLEASE HELP!!!!!!!!!!!!!!!!!!!!
Which statement describes competition within a population?
Several killer whales migrate to a new location.
Two male sea horses fight to win over a female.
Several elk travel together to find and share water.
Different kinds of garden plants take in water from the soil.
Answer:
I think its B if I'm wrong I'm sorry
Two male sea horses fight to win over a female describes the competition within a population. So, the correct option is B.
What is Competition?Competition is defined as an interaction between organisms or species in which both require a resource in limited supply that reduces the fitness of both organisms because the presence of one of the organisms always consumes the available resource which reduces the quantity.
Competition is defined as the fight between different organisms by limited resources. Some examples of interspecific competition between lions and leopards that vie for the same prey and interspecific competition between rice fields with weeds growing in the field, two male seahorses fighting to win over a female.
Thus, the correct option is B.
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HOW MANY TOTAL CALUIM ATOMS ARE IN 3CaCI2 I WILL MARK BRAINEIST
Answer:
There are three atoms in CaCl2 (calcium chloride) - one calcium atom and two chlorine atoms. It might be argued that there are ions inside the molecule instead of atoms. In that case there is one calcium ion and two chlorine ions.
There are 3 calcium atoms
Which compound is a hydrocarbon?
A. C2H6
B.CO2
C. C6H12O6
D. H2O
Which distribution pattern in species can be considered the most easily measurable
Answer:
local endemics
Explanation:
The most common distribution pattern in species can be considered by their geographical distribution, as different species get distributed as per their climate and the different regions that suit them the most.
What is the significance of the geographical distribution?It is significant because they differ in different parts of the world and provide suitable climatic and other environmental conditions for various animals, plants, and microorganisms to live and evolve. Its significance can be seen in the difference between the life forms in the temperate area and those in the Antarctic area.
Hence, the most common distribution pattern in species can be considered by their geographical distribution, as different species get distributed as per their climate and the different regions that suit them the most.
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The knee ________.
a. is completely enclosed by a strong articular capsule
b. is a multiaxial joint
c. has ligaments present inside as well as surrounding the articular capsule
d. is the simplest joint in the body
Answer:
The correct answer is: C) has ligaments present inside as well as surrounding the articular capsule.
Explanation:
The knee joint is a hinge (ginglymus) type synovial joint that is formed by three different bones: the femur, the tibia, and the patella.
Given the nature of the hinge joint, it should only allow flexion and extension, but it also grants a small degree of internal and external rotation. For this reason, the knee joint cannot be considered a multiaxial joint, since it only fully moves in one axis and slightly moves in a second one (this is why most people consider the knee joint a uniaxial joint, but some others say it is actually a biaxial one).
The knee joint isn't completely enclosed by a strong articular capsule. The knee joint is rather thin and it contains the patella, menisci, bursae, and ligaments of the knee.
The knee is not the simplest joint in the body. It is formed by three bones and there's also the menisci, which are fibrocartilaginous structures that help increase the stability of the joint and act as shock absorbers as well.
The knee does have ligaments both inside and outside the articular capsule. The intracapsular ligaments are two cruciate ligaments (one anterior and one posterior), which hold the tibia in place; the transverse ligament that connects both menisci; and the posterior and anterior meniscofemoral ligaments. The extracapsular ligaments are the patellar ligaments (connects the patella to the tibia), the two collateral ligaments (medial and fibular, one on each side of the knee, connecting the femur to the tibia and to the fibula, respectively), and the anterolateral ligament.
Suppose you want to investigate what kind of material is best for making a warm winter coat. How could you use a freezer, a thermometer, and samples of materials to find an answer?
Answer:
By designing an experiment where the temperature on the thermometer is measured after a chosen (same) time interval when the thermometer is wrapped with the different materials and placed in the freezer
Explanation:
Experimental design
Materials given: freezer, a thermometer, samples of materials
setup:
1. The freezer is put on and made to remain at a particular temperature, mimicking the winter season.
2. Next, different materials for the coat design with equal dimensions are used to rap the thermometer whose initial temperature has been recorded in the same pattern and the thermometer is placed in the freezer and left for a certain time, which is made constant for the different materials.
3. after the time, the final temperature on the thermometer is recorded.
Result interpretation
The temperature is expected to drop after the time in the freezer, but the material with the smaller change (drop) in temperature indicates that it traps more heat hence is the best material for designing a winter coat
independent variables: type of material used
dependent variables: temperature on the thermometer
control variables: time, dimensions of materials, temperature of freezer, pattern of wrapping.
What is a terminal moraine?
C the area where two glaciers merge
a tear-drop shaped hill left behind after a glacier has eroded an area
C deposits of rock and debris along the edges of a glacier's path
the area where a glacier finishes melting
Answer:
the area where a glacier finishes melting.
Explanation:
I got it correct on a quiz.
Answer:
the first one
Explanation:
Observations:
In this photo I can
observe...
(delete this and start
typing here. See below
for ideas about what to
write about)
Answer:
In this photo, one can observe the big mountains, the clear blue sky, the sand which covers the ground, the path down the middle and the variety of dry, green plants.
Explanation:
^
Hereditary information is stored inside the?
A. Nucleus,which have ribosomes that contain genes
B. Nucleus, which has DNA that contains water
C. Nucleus,which chromosomes that contain genes
D. Nucleus, which has genes that contain many chromosomes
Please help
the answer is D Nucleus, which has genes that contain many chromosomes
Hereditary information is stored inside the nucleus, which has chromosomes that contain genes.
What is hereditary?"Transmission of character or traits from parent to offspring is called hereditary." What is a nucleus?It is the center of a cell that controls and regulates all the activities in a cell.What are chromosomes?"Chromosomes are thread-like structures located inside the nucleus of animal and plant cells."It is a long DNA molecule.What are genes?"A gene is the basic physical and functional unit of heredity."It is present in chromosomes.
Hence, the correct option is C. Nucleus, which has chromosomes that contain genes.
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How do microorganisms contribute to the health and characteristics of soil?
Plz help!
Answer:
decomposition
Explanation:
microorganisms help decompose, or break down, other organic matter, that is no longer needed. For example, a dead critter on the ground.
Plz help I’ll mark brainliest
Answer:
A.) Frogs, Birds, Trees
Explanation:
A lake is nonliving, so is rain, and its not D
What are the two major parts of a eukaryotic cell?
Answer:
Two major parts of a eukaryotic cell. (1) Nucleus. ... Cytoplasm.Explanation:
Scientists use english units of measurement true or false
Answer:
Falus
Explanation:
pls help I will mark as brain something
Answer:
Flora refers to the natural vegetation including plants, fungi, algae in a particular geographical region. Fauna refers to the animals life living in a particular geographical area or region.
Which are characteristics of eukaryotic organisms? PLZ HELPP
Answer:
Eukaryotic cells are larger than prokaryotic cells and have a “true” nucleus, membrane-bound organelles, and rod-shaped chromosomes. The nucleus houses the cell's DNA and directs the synthesis of proteins and ribosomes.
Explanation: