Which of the following characteristics of living things best explains why humans sweat when they get hot?
a
maintaining a stable internal environment
b
growth and development
c
ability to reproduce
d
using energy

Which would be the most useful source of evidence to support mcneill's contention?

Food webs - transferring energy and matter from one level to another. here you see four food webs. one or more are incorrect. which food web(s) show the correct sequence of organisms, from start to top level consumer? a) a b) d c) c d) a and d

How is the carbon cycle related to global warming ?