the main function of this macromolecule is to: jobs your cells such as building and breaking down molecules. A) carbohydrates
B) lipids
C) nucleic acids
D) proteins

lizards have adapted to life in the desert. some desert lizards have toes with spiny scales to them run across the sand without sinking. some use the sand to hide from predators, or to search for small animals that they prey upon.

when atoms of different types of elements join together, they make molecules called compounds. water consists of compound molecules made up of 2 hydrogen atoms and 1 oxygen atom. this is why it's called h2o. water will always have 2 times the number of hydrogen atoms as oxygen atoms.

1. efficient use of space

2. elimination of groundwater contamination

3. energy generation

4. lower carbon footprint

meiosis is the correct answer