I’m not really sure what the question is asking, but male sex chromosomes are ''XY.'' Please ask any other questions in the comment box below.
<span>Sugar is carbohydrates, fats are lipids, amino acids are proteins, and nucleotides are nucleic acid. They're all about the same healthiness because everyone needs all four for their diet. Carbohydrates give us energy, lipids provide energy, protein builds our structure, and nucleic acid stores our genetic information.</span>
B. It describes the day-to -day condition of the atmosphere of Earth.
Answer:
A, B and D
Explanation:
just did it on USAtestprep
Green plants and trees use photosynthesis to make food from sunlight, carbon dioxide and water in the atmosphere: It is their primary source of energy. The importance of photosynthesis in our life is the oxygen it produces. Without photosynthesis there would be little to no oxygen on the planet.