Answer:
Ozone high in the atmosphere is a pollutant, but near Earth's surface, it provides protection from harmful rays.
Explanation:
I had this test last week so here you go, let me know if it helped!
Answer:
A
Explanation:
Tilling agitates the topsoil and removes ‘unnecessary’ vegetation so the main crop can grow without competition. Tilling improves soil aeration and drainage for plants to grow well. Nonetheless, it can lead to other consequences such as soil erosion because it loosens the soil and makes it easy to be carried away by wind and water.
Well maybe that species evolved over time to get faster and be more durable because of the need to run away from lions and other prey.
Answer:
Photosynthesis converts carbon dioxide and water into oxygen and glucose. Glucose is used as food by the plant and oxygen is a by-product.