Among important crop plants, nitrogen-fixing root nodules are most commonly an attribute of A) corn. B) legumes. C) wheat. D) members of the potato family. E) cabbage and other members of the brassica family.

Nonrenewable resources are?

Urea contains two nitrogen atoms. what is the source of these two nitrogen atoms?

Identify the correct sequence of steps in the generation of an action potential. 1. Activation of sodium channels and rapid depolarization 2. Inactivation of sodium channels and activation of potassium channels 3. Depolarization to threshold 4.

What happen when iron reacts with copper sulphate

If there is 10 protons and 12 neutrons and 10 electrons what is the total charge

How can gravity's role in tectonic plate motion be described

What happens to the vapor pressure as more solute, such as sugar, is added to a solution? a. The vapor pressure increases c. The vapor pressure does not change b. The vapor pressure decreases d.

What is the final stage of cell division where the cytoplasm is divided among the two new daughter cells? A) G1 B) anaphase C) cytokinesis D) interphase

Consider two equal size rooms connected by an open door. One room is maintained at a higher temperature then the other one. Which room contains more air molecules? Explain.

When and how was benzene first used