During a rainstorm, when soil becomes saturated, the amount of infiltration…? a. decreases and runoff increases
b. decreases and runoff decreases
c. increases and runoff decreases
d. increases and runoff increases

Which way do the nitrogenous bases in dna pair up? a. a and g; t and c b. a and c; t and g c. a and t; g and c d. a and a; t and t; g and g; c and c

Which best example best demonstrates the importance of having knowledge of evolutionary relationships? a. illustration of a plant b.organ transplantation between species c. blood donation from a human d. do you need sequence of an insect.

In which state was more than 100 billion tons of coal mined in 2005?