Carbon
reason being that if you've studied the carbon cycle, you know that carbon goes into the atmosphere and is absorbed by plants. but if we produce more CO2 than plants can absorb, it causes more rays from the sun to be concentrated to the earth, rather than being reflected away
How continents shift position on Earth's surface.<span>Set forth in 1912 by Alfred Wegener, a geophysicist and meteorologist, continental drift also explained why look-alike animal and plant fossils, and similar rock formations, are found on different continents. </span>
<span>A trait that improves the fitness of its bearer, compared with individuals without the trait.</span>
