Answer:
sorry i cant understand clearly
Explanation:
i hope its help more
Answer: The equipment will "push back" on the astronaut with the same amount of force.
Explanation: Newton's third law of motion can be summed up as "For every action, there is an equal and opposite reaction." This means that when the astronaut applies force to push the object, that object will apply an equal amount of force to the astronaut.
Please please help me its for a grade :(
In 1 minute, a mass of 9 000 kg of water flows through the turbines.
The speed of the water is 30 m/s
Calculate the total kinetic energy of the water passing through the turbines in 1 minute.
Answer:
1/2 x 9000 x 30x30=4050000 joule
Explanation:
4050000 energy
True or False: Cellular respiration is a chemical reaction that occurs in both plant and animal cells. All cells release energy from food through cellular respiration.
True
False
(This is 7th grade science).
Answer:
true
Explanation:
This type of energy is not always predictable.
Answer:
Wind energy.
Explanation:
In this way, the biggest shortcoming of wind energy, which is that it is not always stable and predictable, is solved by the new technology. It goes without saying that this impressive and innovative combination of wind as a renewable energy source and the power of water as storage energy has a lot to offer in the energy production field.
What does this pyramid tell us about the population?
The answer is A. The population is growing.
The pyramid tells us that population is growing continuously, the growth of population is equal in both male and female population.
What is population?Population is defined as the quantity or population of people living somewhere who are a particular social, cultural, economical, ethnic, or racial category. Making decisions can be aided by knowledge of how population parameters, such as size, regional distribution, age structure, or birth and death rates, vary over time.
The pyramid is used to show the growth in population of a country or population of the city. In the pyramid the growth of population is equal in both male and female population. The pyramid shows that the population of older generation is less than the population of younger generation peoples.
Thus, the pyramid tells us that population is growing continuously, the growth of population is equal in both male and female population.
To learn more about population, refer to the link below:
https://brainly.com/question/27991860
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Which of the following sentences best describes osmosis?
A. The cell uses energy to pump molecules across the membrane.
B. Water molecules flow from high to low concentration
C. Water molecules flow from low to high concentration.
D. No cellular energy is required to move glucose molecules across the membrane.
Answer:
D is the correct Answer
Explanation:
it is D because there is a difference bewtween them so watch what you selected please
PLEASE HELP!!!!! Describe in detail the process of dna replication
Answer:
DNA replication is the process by which a double-stranded DNA molecule is copied to produce two identical DNA molecules. The replication process relies on the fact that each strand of DNA can serve as a template for duplication. DNA replication initiates at specific points, called origins, where the DNA double helix is unwound. A short segment of RNA, called a primer, is then synthesized and acts as a starting point for new DNA synthesis. An enzyme called DNA polymerase next begins replicating the DNA by matching bases to the original strand. Once synthesis is complete, the RNA primers are replaced with DNA, and any gaps between newly synthesized DNA segments are sealed together with enzymes. Once the DNA in a cell is replicated, the cell can divide into two cells, each of which has an identical copy of the original DNA.
hope this helps
What are stem cells? How are embryonic stem cells different from adult stem cells?
Answer:
Stem cells are the body's raw materials — cells from which all other cells with specialized functions are generated.
Embryonic stem cells are derived during early development at the blastocyst stage and are pluripotent, meaning that they can differentiate into any cell type. In contrast, adult stem cells are rare, undifferentiated cells present in many adult tissues.
hope this helps
which laboratory tools are useful when looking at internal organs of an earthworm
Answer:
An earthworm's internal organs can be viewed through a dissecting microscope. This type of microscope allows enhanced observation of objects that are too large for a compound microscope. Because the magnification is low, this microscope cannot be used to examine cells.
(Fossils provide scientists with evidence that allows them to hypothesize how living organisms have evolved over time. Tiktaalik roseae was a unique organism that has been nicknamed the “fishapod” because it is believed to be a species had traits of both fish and tetrapods, the first four-legged animals.)
Which evidence would scientist use to make the connection between ancestry of fish and tetrapods using Tiktaalik roseae?
-using transitional forms
-using relative dating
-studying decreasing complexity
-studying analogous structures
Answer:
A. using transitional forms
Explanation:
On Edge 2020
Using transitional forms is the evidence scientist use to make the connection between ancestry of fish and tetrapods using Tiktaalik roseae.
What is Transitional forms?This is referred as the remains of a life form that exhibits traits common to both an ancestral group and its derived descendant group.
The transitional form which is option A is mostly suited as the organisms involved have common traits.
Read more about Transitional forms here https://brainly.com/question/19296778
A car travels 80 miles in 2 hours. What is the average speed in mph?A car travels 80 miles in 2 hours. What is the average speed in mph?
Answer:
40 miles/hour
Explanation:
(80 miles) / (2 hours)= 40 miles/ hour
Yeast is a:
Rhizobium
Legume
Bacteria
Fungi
Answer:
Fungi
Explanation:
Answer:
Yeast is a Fungi.
A lone wolf travels hundreds of miles from his original pack and joins a new pack in a different range, affecting the gene pool through which mechanism?
A. genetic drift
B. recombination of alleles
C. gene flow
D. no effect
Answer:
a. genetic drift
A lone wolf travels hundreds of miles from his original pack and joins a new pack in a different range, affecting the gene pool through genetic drift. The correct option is A.
What is genetic drift?
Genetic variety and genetic drift are two of the factors of evolution that are both random processes. Allelic drift, also known as genetic drift, is the change in allele frequency that is most frequently observed in small populations.
Due to random sampling, some alleles in a small population may be lost because of the low allele frequency in a small population. As a result, the population's genetic diversity declines.
Gene flow is the transfer of genes or alleles from a population that resides in one location to a population that resides in another. The movement of various alleles into a new population, it raises genetic variation.
Therefore, the correct option is A. genetic drift.
To learn more about genetic drift, refer to the link:
https://brainly.com/question/8365294
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what surfaces or objects on earth would reflect infrared light well?
Answer:
Infrared, sometimes called infrared light, is electromagnetic radiation with wavelengths longer than those of visible light. It is therefore invisible to the human eye.
Aside from water vapor, bodies of water on the surface of the Earth also absorb IR wavelengths well. Glass, wood, brick, stone, asphalt and paper all absorb IR radiation. While regular silver-backed mirrors reflect visible light waves, allowing you to see your reflection, they absorb infrared radiation.
Water absorbed by the roots moves through the stem and enters the leaves. Most of this water is lost in transpiration. Explain how the internal structure of leaves results in the loss of large quantities of water in transpiration
Why do you think hemoglobin levels vary with altitude?
Answer:
haemoglobin in blood increases at high altitude. This is one of the best-known features of acclimatisation (acclimation) to high altitude. Increasing the amount of haemoglobin in the blood increases the amount of oxygen that can be carried.
PLEASE HELP IM GOING TO FAIL WILL GIVE BRAINLESS
Answer:
Ordovician: 63.85%
Devonian: -6%
Permian: 75.56%
Triassic: 9.88%
Cretaceous: 38.09%
please help me!! i will mark brainliest
Answer:
both have the A trait and also have the a trait which means the answer is b
Explanation:
which statement best elxplains why cellular respiration in plants and other organisms is dependent on photosynthesis
Answer:
because they need oxygen to breath and photosythesis is the process of carbon dioxide to oxygen
Explanation:
Can someone plz help me
Resistance (R)= 10 ohm
Potential difference (V) = 9V
V=IR
I= V/R
I= 9/10
I= 0.9 Ampere
Describe how you would test a sample of food to show it contains protein. Give the reason for any safety precautions you would take.
Answer:
Add biuret solution to test for protein
Explanation:
Add biuret solution to the test tube with the solution in it and shake gently. If turns around pink or purple, protein is contained.
Safety precautions would be to be careful with the biuret solution as it is harmful to skin and bad to inhale.
Deoxyribonucleic acid and ribonucleic acid (DNA and RNA, respectively) are very important
biomolecules necessary for life. In at least 7 sentences and in your own words, compare
and contrast DNA and RNA. Explain what you know about the components (parts) of DNA
and RNA and their importance. Be sure to include at least five of the following words:
.
• Nucleic acid
• Nucleotide
• Nitrogen base
• Gene
• Genetic code
• Phosphate
• Sugar
• Protein
• Double helix
• Backbone
Answer:
pa heart follow back follow me brainliest me please
Explanation:
Deoxyribonucleic acid (DNA) and Ribonucleic acid (RNA) are perhaps the most important molecules in cell biology, responsible for the storage and reading of genetic information that underpins all life. They are both linear polymers, consisting of sugars, phosphates and bases, but there are some key differences which separate the two1. These distinctions enable the two molecules to work together and fulfil their essential roles. Here, we look at 5 key differences between DNA and RNA. Before we delve into the differences, we take a look at these two nucleic acids side-by-side.
Which of the following is NOT a nitrogen base found in RNA?
A.thymine
B.cytosine
C.uracil
D.adenine
Answer:
A.thymine
Explanation:
Thymine is found in DNA
a motorcycle is moving at a constant speed of 40 km/h. how long does it take the motorcycle to travel a distance of 10 km.
Why do you need electricity to watch TV
Answer:
Explanation:
Because televisions are powered by electricity.
PLEASE MARK BRAINLIEST.
Does the difference in structure for arteries and veins make sense given then functions? Explain.
r u a carbon sample?
cuz i wanna date u
(its an educational pick up line)
Answer:
I have one
Explanation:
If I was a watermelon would you swallow or spit my seeds
Answer:
LMBO I love that
Explanation:
2. The bigger the planet, the more gravity it will have and thus can hold on to more of an
atmosphere. Which of the terrestrial planets holds on to the smallest atmosphere?
A: Mercury
B: Venus
C: Earth
D: Mars
Answer:
Mercury is the answer.
Mercury is the smallest terrestrial planet in the solar system
can someone help brainliest
Answer: 1. founder effect
2. evolution
3. natural selection
4. species
5. geographically isolated
Explanation: Good luck! :D
how can use of fertilizers affect respiratory health?
a) they directly produce gas particles of air pollution
b) they can contaminate bodies of water
c) they can contain contaminants that can enter the air during storms or high winds
d) fertilizer use does not impact respiratory health
Answer: C) They can contain contaminants that can enter the air during storms or high winds.
Explanation: A is wrong because I got it wrong (Sorry, can't give much explanation there).
B is wrong because water contamination does not directly relate to respiratory health.
D is wrong because fertilizers can impact respiratory health (Explanation seems lack-luster, but I feel like this is common sense).
Hope this helps :)
Answer:
C
Explanation:
They can contain contaminants that can enter the air during storms or high winds.