This scientist focused his study on planetary motion. one of his laws is the planets orbit the sun in elliptical patterns.

What are some things that limit population growth?

Name one similarity and one difference between the morphology of a brachiopod and a bivalve

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.