Which is a reason for the rise of nitrate levels in ground water?

A) overuse of fertilizers

B) ammonification by animals

C) soil erosion at grasslands

D) nitrogen fixation by Azotobacter

Which type of plant reproduces using seed cones? angiosperm bryophyte gymnosperm?

The inflammation that tissues undergo when they become injured or irritated:

A rock can be defined by its texture and composition. true or false

A person is experiencing the symptoms of malnutrition but is eating regularly. This could indicate a problem with which layer of the alimentary canal, and why?

Orgasms whose DNA is contained within a nucleus are called A eukaryotes B prokaryotes c archaea d bacteria

Match the cell property descriptions with the correct organelle. Column A 1. Contains the genetic material (DNA) : Contains the genetic material (DNA) 2. Contains a thick gel-like substance: b Contains a thick gel-like substance 3.

What codes for proteins? 20 PTS A. DNA B. RNA C. Polypeptides D. Amino Acids

What is one possible result of an ovary not performing its intended function in the body?

Which substance is a natural land resource used in construction? steel bedrock clay salt

Which three elements do all four biomolecules have in common