Which pyramid represents the dry weight or the organic matter in the species in each trophic level? the pyramid of represents the dry weight or the organic matter in the species in each trophic level.

When a person is exercising the body needs to deliver increased amounts of oxygen to the muscles which component of blood ensures that the muscles will receive it

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.

(99 points) be serious! how do farts work? how do you fart without it stinking? serious answers only