Carbohydrates (<span>Macromolecule which is used for structural purposes for plants and animals and are good for short-term energy storage)</span>
Answer:
Sunlight
Brainliest? I need 2 more XD
Explanation:
Answer:
Characteristics that have helped humans survive major changes in the environment are their brains and body. Human's social cooperation with tool making always increases.
I think because humans have sweat glands in their skin that help cool the body by evaporation. Dogs don't have sweat glands but they have extensive blood vessels in their tongues that allow for heat to transfer. Panting helps move air across the tongue which carries away heat from the dog's blood.