Answer:
After an organism is buried, minerals carried by water such as silica, calcite or pyrite replace the organic material in the fossil. Some common examples are most dinosaur bones, petrified wood, and many trilobite fossils.
Answer:
The answer is wood
Explanation:
Please help! (50 points) PS Sorry, my last question only gave 5 points. My apologies.
In a farm, soy beans were the only crop that was planted on several hectares of land. A farmer noticed fungus was growing all over the soy bean fields. Predict what might happen to the soy beans and the fungus.
Thanks!
Answer:
The soybean and the fungus might die because both of them are depending their lives on the said crop and both of them are having competition in having the nutrients for their survival.
The soy beans might be damage and the products of the farmer will decrease.Hope this helps and if you could mark this as brainliest. Thanks!
Dr. Mrs. Brown has Rh+ blood, but her father is Rh-. What must her full blood type genotype be?
Answer:
Her full blood type genotype is Dd.
Explanation:
Rh (Rhesus) factor is a type of protein found on the outside of red blood cells. It is genetically inherited. An individual that has this protein is Rh-positive, and the one that doesn't is Rh-negative. The Rh-positive gene is dominant, while the Rh-negative gene is recessive. This means that a person must inherit at least one dominant (D) allele from their parents in order to be Rh-positive.
If Dr. Mrs. Brown is Rh-positive, and her father is Rh-negative, her mother must be Rh-positive (DD or Dd), as well. Her father has two recessive alleles (dd), which means that Dr. Mrs. Brown must have one recessive allele. Since she is Rh-positive, she must have one dominant allele. This makes her genotype Dd.
Help me please I need help
Answer:
D
Explanation:
Answer:
DNA
Explanation:
Common knowledge
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what conclusion can you make regarding how humans affect biodiversity? use evidence from the graph to support your answer
Answer:
humans have a large affect on biodiversity.
this is due to human activities that interact with biodiversity such as deforestation and over fishing
what organelle directs cellular activity and stores chromatin
Answer:
Typically, the nucleus is the most prominent organelle in a cell (Figure 1). The nucleus (plural = nuclei) houses the cell's DNA in the form of chromatin and directs the synthesis of ribosomes and proteins.
Explanation:
Nucleus is the potential organelle directs cellular activity and stores chromatin.
what are the function of nucleus in a cell ?Nucleus is the most integral component, a double membraned cell organelle which carry all genetic material of the cell.
It regulates the growth and reproduction of the cell as it contain the genetic information.
It involve in duplication of DNA in the nucleus called as DNA Replication by producing the copies of DNA .
It has a major role in cell division like mitosis and meiosis.
It is the site of transcription which produces different types of RNA from DNA.
A special site in the nucleus called the nucleolus a non-membrane-bound condensed region of chromatin involved in active ribosomal RNA synthesis.
Learn more about nucleus, here:
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What process is similar in both fermentation and cellular respiration?
electron transport chain
aerobic ATP production
glycolysis in the cytoplasm
hydrogen ion pumping
Answer:
glycolysis in the cytoplasm
Explanation:
~ Fermentation and cellular respiration are alike in that they both begin with a series of reactions known as glycolysis, which breaks glucose molecules into smaller pyruvate molecules. They are also similar in that during both processes, ATP is produced for the cell to use.
Can you make a link between naturally occurring carbon molecules being called "organic" and food grown without chemicals being called "organic"?
Answer:
Im pretty sure there is no link;
Organic food is grown without man-made chemicals, whereas organic molecules are those containing carbon (and hydrogen)
where did tape worm lives
Explain how beaches are created.
Answer:
The waves erode seashells and rocks on the shore into small granuels called sand.
Explanation:
The melting of wax is a physical change , yet the burning of wax is a chemical change . What is the essential difference between the physical change and chemical change of wax in a burning candle
Answer:
A physical change does not change the identity of an element but a chemical change does.
Explanation:
where did genetic engineering come from
The biological influences on organisms within an ecosystem is known as what?
a. biotic factors
b. abiotic factors
c. natural occurrences
d. nature
Answer:
a. biotic factors
Explanation:
Biotics are organisms that have life and constitute the biota of a community. That is the plants, animals, and microorganisms of a natural system.
It is the factor resulting from the activities of a living being or of any living component in an environment, such as the actions of an organism that affect the life of another organism.
The primary reason organisms require large amounts of carbohydrates (sugars
and starches):
Answer:
Is to supply energy for their metabolic activities
Explanation:
The small intestine is the pathway for chyme. What else does it do?
A. mixes food with gastric juices using layers of muscle
B. absorbs water, salt, and minerals using villi
C. produces vitamins and feces
D. produces digestible-sized food for the stomach
Answer:
The correct answer is b
Explanation:
i just took the test, and the answer is b. absorbs water, salt, and minerals using villi
Answer:
b is right just did the test
Explanation:
A cold can of juice is removed from the refrigerator and is placed outdoors on a warm day m. After several minutes moisture appears on the outside of the cold can . What best explains why the moisture appears
Answer:
THE CONDENSATION IN THE AIR apears on the can
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Explanation:
an organism that obtains energy by feeding on other organisms
Answer:
Heterotrophs/ or consumers
Explanation:
Heterotrophs, or consumers, are organisms that must obtain energy by consuming other organisms (autotrophs or other heterotrophs) as food.
What fusion process is occurring in the star Procyon B?
Answer:
Procyon B's progenitor star most likely had around 2.59 solar masses. Estimates suggest that the star spent about 680 million years on the main-sequence, fusing hydrogen in its core. It evolved into a giant and lost much of its mass due to stellar winds
Explanation:
a) Explain why antibiotics would kill a prokaryotic cell. (2 points)
Answer:
Antibiotics are simply chemicals that kill prokaryotic cells but do not harm eukaryotic cells. They are natural chemicals produced by fungi and bacteria that act to control their bacterial competitors. For example, streptomycin stops protein synthesis in prokaryotic cells by binding to their unusual ribosomes.
Explanation:
Sorry if this makes no sense. Basically, the antibiotics will harm/kill cells like the prokaryotic cell, but it won't harm or kill any human cells that are essential. They'll kill bacteria, though. The chemicals in the antibiotics aren't compatible with the ones in the prokaryotic cell, so it'll kill it.
Where does the energy for photosynthesis come from?
What 2 raw materials are needed by plants in order to preform photosynthesis?
answer: The raw materials of photosynthesis, water and carbon dioxide, enter the cells of the leaf, and the products of photosynthesis, sugar and oxygen, leave the leaf.
Explanation:
hope this help
The reintroduction of wolves their angered nearby farmers because they feared their animals would be hunted. What level of responsibility do you think the national park should have towards their neighbors? What level of responsibility to the neighbors have to protect their own property? Use reasons and examples to justify your answer.
Yellow light travels through a certain glass block at a speed of 3 * 108 m/s . The wavelength of the light in this glass is 3.81 * 10 - 7m . What is the frequency?
Answer:
f = 7.87×10¹⁴ Hz
Explanation:
Given data:
Speed of light = 3×10⁸ m/s
Wavelength of light = 3.81 ×10⁻⁷ m
Frequency of light = ?
Solution:
Formula:
Speed of wave = wavelength × frequency
Now we will put the values in formula.
3×10⁸ m/s = 3.81 ×10⁻⁷ m × f
f = 3×10⁸ m/s / 3.81 ×10⁻⁷ m
f = 0.787 ×10¹⁵ s⁻¹
s⁻¹ = Hz
f = 0.787 ×10¹⁵ Hz
f = 7.87×10¹⁴ Hz
Can someone help me with this test question pls (8th grade science)
Answer:
15 km/h
Explanation:
If it takes 30 minutes to run 7.5 km/h if you double the time to 60 minutes (an hour) 7.5 doubled is 15.
Most of the oil and natural gas used today formed where forces within Earth folded and tilted thick rock layers.
O True
O False
The correct answer is true.
Most oil and natural gas formed where forces within Earth are folded and tilted thick rock layers, and they are also formed with plankton in which is concealed with sediment (a natural & solid material that is fertile to enrich nutrients in soils).
I hope this helps you, have a great day. :)
What is the role of an enzyme in a reaction with the reaction ? would the reaction happen without an enzyme?
Answer:
Enzymes are not used up in a chemical reaction. Usually, the enzyme will “reset” and be ready to use in another reaction. This is due to the fact that enzymes are proteins, and their shape is what they use in a chemical reaction.
Explanation:
Enzymes serve a similar purpose for chemical reactions in an organism's body, which is to lower the amount of "activation energy" needed for a particular chemical reaction to occur. Without enzymes, many chemical reactions would occur at a much slower rate because the amount of activation energy required would be far greater.
Which layer is between the asthenosphere and the outer core?
A. Crust
B. Inner core
C. Lithosphere
D. Mesosphere
Answer:
D. Mesosphere
Explanation:
What food contains no lipids, nucleic acids, carbonhydrates, or proteibs?
Answer:
LEGUMES
Explanation:
Answer:
Legumes c:
Explanation:
that or air i guess maybe water-
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Answer: wdym u already answered it
Explanation:
Are there more solids or gases?
Name the two liquid elements:
Name the three magnetic metal elements:
What element is found in the human body, located in the sun and stars, and is a colorless gas?
What does the X symbols stand for?
Answer:
To be honest the Atmosphere is 72 percent nitrogen and 25 percent oxygen and
Any one can please fill all the labellings
Answer:
Explanation:
1-Ilium
2-Sacroiliac joint
3-Coccyx
4-Pubic crest
5-Acetabulum
These are all parts of the pelvis. The pelvis is located at the lower part of the trunk of the human body. It is between the abdomen and thighs. It is also called the pelvic region. The pelvis plays a vital part in locomotion since the pelvic girdle can transmit the body weight through it.
What is density? student definition
Answer:
Density is the degree of consistency
Explanation:
volume x mass = density
Answer:
Density can be defined as the mass per unit volume of a substance.
Explanation:
Density is simply the mass per unit volume of a substance. When you are finding the density of the substance;
You first need to know the volume of a substance and the mass of that substance.
The S.I unit of density is;
Kg/m³ or Kgm³( Kilogram per cubic metre )