A macromolecule is a large complex molecule that has a relatively large molecular weight. There is Carbohydrates, Lipids, Protiens, and Nucleic Acids. They all contain Carbon, Hydrogwn, and Oxygen.
Answer:
C
Explanation:
The law of conservation of energy states, energy can neither be created or destroyed, energy can only be transferred or changed from one form to another.
D. Plants have adapted to deal with the sun in many different ways, and this is one. The stomata are regulated by guard cells, which are activated by different things depending on the species of plant, and guard cells are supposed to keep the stomata from staying open all the time and losing too much water to evaporation. So, the solution is to have the stomata on the bottom of the leaf to prevent direct sunlight contact (and therefore more evaporation), and guard cells to protect the stomata.
Answer:
Easy. All life on this planet are products of DNA. It is what we all have in common.