Why do herbivores need nitrogen?

The Law of conservation of energy states that energy cannot be Question 13 options: A. Stopped or started B. Hot or cold C. created or destroyed D. Kinetic or potential

What pigments are responsible for the color of skin?

52. How does the immune system differentiate a pathogen from body cells? A. Pathogens have especially weak cell membranes that the immune system can break. B.

Explain why the distribution of biomes in the northern hemisphere is similar but not identical to the distribution of biomes in the southern hemisphere

El yodo es un metal o un no metal?

A mutation in a dna strand is least likely to affect the cell when the mutation:

What macromolecule has the function of providing structure and catalyzing reactions (as enzymes) ?

Unfortunately, scientists face a growing problem with an increase in unreliable science and pseudoscience.

She is the northern hemisphere tilted toward the sun?

Describe how the ocean plays a role in stabilizing Earth's weather conditions