Which is not a drawback of using fossil fuels?

A. They release radioactive waste.

B. They release greenhouse gases.

C. They cause air pollution.

D. They are nonrenewable.

Assume that a population is in Hardy-Weinberg equilibrium for a particular gene with two alleles, A and a. The frequency of A is p, and the frequency of a is q. Because these are the only two alleles for this gene, p + q = 1.0.

A species of lizard is found on the eastern and western sides of part of a mountain range. On both sides, individual populations are small.

Jill releases a toy car at the top of the derby ramp. How far will the car have traveled after 5 seconds? A) 80 cm B) 90 cm C) 100 cm D) 120 cm

Describe how living things reproduce differently than viruses do

the human stomach need to maintain a pH level between 1 and 2 in order to properly digest food. what is true regarding the environment of the human stomach

A scientist begins working by trying to explain a natural occurence that is

Which label belongs in the area marked x?

Which of the following may happen to astronauts when they return to Earth from space? They may feel dizzy because the flow of blood to and from the heart to the brain is affected in space.

Under what conditions might the morphological species concept be used instead of the biological species concept? a. It is clear that one species evolved into another, based on fossils. b.

If the earth traps more heat, it may cause