9)
Which action could humans take to slow the rate of global warming?
A)
Cut down trees for more efficient land use.
B)
Increase the consumption of petroleum products.
C)
Use alternate sources of energy such as wind.
D)
Reduce the use of fuel-efficient automobiles.

organ system-an organ system is a group of organs that work together to perform one or more functions. each does a particular job in the body, and is made up of certain tissues.

for example, no new evidence will demonstrate that the earth does not orbit around the sun (heliocentric theory), or that living things are not made of cells (cell theory), that matter is not composed of atoms, or that the surface of the earth is not divided into solid plates that have moved over geological timescales .