Kidney stones are mainly formed by which of the following compound ?
[a] sodium chloride[b] silicates[c] calcium bicarbonate[d] calcium oxalate

When species lose their habitats they may..

Dwarf galaxies are select one: a. relatively rare. b. not very bright c. mostly spiral shaped. d. none of these.

What is a universal way that predation benefits the predator? predation increases mate availability. predation in defense of space. the predator gets the energy it needs to survive. the predator keeps parasites from hurting the species.