The heart is part of which organ system? Muscular

Cardiovascular

Skeletal

Digestive

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.

You see a white marker with an orange circle and black lettering. what does this marker tell you

How does the diagram explain ocean currents? earth tilt 23.5 degreesquestion 1 options: earth's tilt causes uneven heating of earth which causes currents. earth's tilt causes the ocean to move because of gravity. earth's tilt and its rotation cause currents. earth's tilt causes uneven distribution of salt which causes currents.