Which part of the cell membrane attracts water molecules? A. The nonpolar interior
B. The polar surfaces
C. The transport proteins
O D. The signal proteins

Coquina, a type of limestone, forms from shell fragments that settle on the ocean floor. what type of rock is coquina?

!if we removed the wolf, snake, and hawk from this food web, what best explains the impact it would have? a) the number of producers would increase. b)the number of decomposers would increase. c)the number of primary consumers would increase. d)the numbers of primary consumers would decrease.

Which is an example of a decomposer? a. bear b.algae c.grass d.bacteria d bacteria