What is pH?

A.) How basic a solution is

B.) The concentration of hydrogen ions in solution

C.) How acidic a solution is

D.) The concentration of potassium ions in solution

Why doesn't the ore fly in straight lines? a. Because they bounce off of each other b. The gravity of the other objects attracts them c. They are repelled by the black holes d. They are pulled back toward the space station.

The process of the Rock Cycle A. destroys matter during the process B. creates matter during the process C. both creates and destroys matter D. does not create or destroy any matter

Similarities between genes and chromosomes

3. In chickens, the frizzle gene "F" controls the appearance of the feathers. A homozygous dominant chicken for the frizzle gene shows "extreme frizzle", that is his feathers are extremely disrupted.

Large ships that remove and process huge amounts of fish each year are called

Both external and organization factors shape internal pay structures. a. True b. False

Which of the following describes the solar radiation absorbed by and radiated from earth?

Mutations in DNA are usually caused by chemical or radiation damage to DNA molecules, followed by imperfect repair of the damage. Immediately after this kind of imperfect repair, there may be a mismatched base pair in the DNA.

The Principle of Uniformitarianism is a A.) biased method of dating rocks. B.) complex method of dating rocks. C.) creative explanation for how rocks are made at present. D.) non-testable explanation of how rocks are made at present.

What is ribose in rna