Need asap worth 22 points

nonrenewable resources are those that
a. are contaminated by pollution
b. take one or two decades to replace
c. have finite supplies
d. will never run out

Several bird species feed in a certain species of tree. each bird species feeds in a different part of the tree. which statement is true of these bird species? a. they have adapted to different niches due to competition b. they have a carnivorous relationship with the tree species. c. they have adapted to different niches due to predation d. they have a symbiotic relationship with the tree species.

Explain the source of radioactivity in uranium in earth’s crust by which it produces nuclear radiation

The normal shape of an enzyme is as shown in structure a. if the enzyme’s shape changes to that shown in structure b, what are two consequences of this change?