The first one is A.
The second one is B.
Hope this helped!
~Wolfe<3
Answer:
As the human population has grown, the need for more land has caused an increase in the cutting down of forest lands for habitation and farming. The result has been an increase in soil erosion, an increase in species extinction from habitat loss, and a reduction of oxygen supplied by the trees, as well as lower amounts of carbon dioxide being removed from the atmosphere. Industrial and personal use of fossil fuels has dramatically increased the amount of air pollution in the atmosphere while systematically using up the supply of the non-renewable resources such as coal, oil and natural gas
Explanation: Hope this helps! ^^
Explanation:
Single-celled photosynthetic bacteria
meteorite
mass of stone or metal that has passed through the atmosphere and struck the earth's surface
During photosynthesis, plants take in carbon dioxide from the air. Energy stored in the soil during photosynthesis
