B. How do the roots of the trees may help in controlling soil erosion? a. They keep the soil more intact

b. They go deep down the ground.

c. They absorb nutrients from the soil

d. All of the above​

Darrel conducted an experiment with the following procedure: fill two cups with ice water. place an uninflated balloon snuggly onto your left index finger. blow a little air into an identical balloon, and place it onto your right index finger. place both fingers into the cups of ice water. darrel noticed that his right finger felt warmer in the ice water than did his left finger. which of the following does the experiment show? a. air is a good radiator of heat. b. air is a good insulator of heat. c. air is a good conductor of heat. d. air is a good convector of heat.

What is gene expression control that occurs after the generation of rna

Math focus 4. calculate a map has index contours at 250 m, 500 m, and 750 m. what is the contour interval?