A cheetah accelerates from 5 m/s to 18 m/s in 9 seconds. Calculate the average speed of the cheetah and identify if its positive or negative.

explanation: grsaa

any abiotic or biotic factor in an ecosystem that causes a population's size to slow or decrease is a limiting factor.

the cladogram shown here shows similarities and differences among several classes of vertebrates. anatomically, the four have limb structure as their common ancestor. we might separate the mammals from the other three classes because they a) divergent; do not lay eggs b) identical; are warm-blooded c) varied; a four chambered heart d) homologous; have mammary glands

a physical change is being made.