The correct answer is B. An atom has four protons. Hope this helped. Have an awesome day! :)
The Calvin cycle of photosynthesis starts when the energy of light is processed to chemical energy within the cells of plants. The ATP molecules created power the Calvin cycle. The Calvin cycle utilizes energy to create carbohydrates from h20 and co2.
The ice stays on top because it is sold which means it is less dense than liquid (water)
Answer:
The correct option is <u>B. Lipids</u>
Explanation:
Lipids can be described as molecules which dissolve in non-polar solvents and cannot dissolve in water. The biological function of a lipid molecule is to store energy as well as to structure the shape of cell membranes. Lipids are also used in a cell for signalling.
Lipids are made up of carbon, hydrogen and oxygen. Some lipids might have phosphorus in them like the phospholipids which make up the cell membrane.
Answer:
I think that birds have different bill lengths because of their habitats and their diet. Also natural selection and evolution has also played a factor due to the fact that birds have not always looked the way that they do now, for example the Archaeopteryx a bird that lived around the time of the dinosaurs had a shorter and more powerful bill to grind insects and small mammals
Explanation:
