A substance that enters Earth's cycles and does harm to living things is

a. a pollutant.

b. hydrogen.

c. freshwater.

d. oxygen.

In your words, why is a cool basement often damp in the summer

Which description about prokaryotic versus eukaryotic DNA replication is not correct? In prokaryotes, the DNA replication is unidirectional; in eukaryotes, the replication is bidirectional.

Where are the stalked particles in mitochondria found?

What is a quantitative observation? A. An observation that proves the hypothesis is wrong. B. An observation about the number or amount of something. C. An observation about the color, shape, size, or condition of something. D.

A scientist approximates the mass of an atom by adding the mass of the protons and the mass of the neutrons. Explain why this will give a close approximation of the mass.

Does glucose follow the same path as blood in the kidneys

Explain how to predict y-values using the equation of a regression line.

What non-renewable resource, when burned, is the leading cause of increased levels of carbon dioxide in the atmosphere?

Whenever you mix an acid with a base, they neutralize each other. If this is The case, Why is Alka-seltzer used to treat stomach aches?

Which of these formulas contain equal numbers of nitrogen atoms?