In general in which direction do convection cells in earth's atmosphere move heat around the planeta. clockwise among the jet streamsb. from the equator toward the polesc. from the surface to the upper atmosphered from east to west, among the westerlies

Plz fast biotechnology is a growing field of applied biology. many crops such as corn have been engineered to be resistant to herbicides. therefore farmers can spray these chemicals to kill weeds growing near the crop without worries of killing the crop itself how does this type of biotechnology work? a. by changing the genetic make up of the crops. b. by causing the crops to kill the weeds. c. by changing the type of crops used. d. by changing the location of the crops.

The activity of the modern sample is 1.10 bq . how long does that measurement take?

Which term describes a normal value for something in the body? a. homeostasis b. set point c. feedback loop d. integration center