Why do very few trees exist in a grassland ecosystem?

a.
not enough heat

b.
not enough topsoil

c.
not enough sunlight

d.
not enough precipitation

Nonpoint source pollution is difficult to control because it

Convert .347 kilometers to miles show your work

Which statement correctly describes the phosphate ion, ? it is composed of one phosphorus atom and four oxygen atoms covalently bonded together, and there is a –3 charge distributed over the entire ion. it is composed of one phosphorus atom and four oxygen atoms covalently bonded together, and there is a –3 charge on the phosphorus atom. it is composed of one phosphorus atom and four oxygen atoms ionically bonded together, and there is a –3 charge distributed over the entire ion. it is composed of one phosphorus atom and four oxygen atoms ionically bonded together, and there is a –3 charge on the phosphorus atom.