Which of these is true about acid rain? a. it is caused by carbon monoxide mixing with water in the atmosphere

b. it has a pH of 8 or above

c. it can have a negative effect on plant life

d. all of these above are true

Can bacteria reproduce in a way such that when you start out with two bacteria, you get five bacteria? why or why not? * a. yes, because bacteria reproduce sexually, and can produce any number of offspring, just as humans do. b. no, because bacteria grow at an exponential rate. c. no, because when bacteria reproduce, they split into two parts, and two bacteria splitting would result in four bacteria.

Amniocentesis is a process in which amniotic fluid is taken from the mother's womb to identify any genetic abnormalities in the fetus. how would the discovery of the human genome contribute to this process?

How do all types of diffusion/passive transport actually ‘work’ without using even the smallest amount of cellular energy?