the answer is B.extinction can be related to a failure to adapt to changes in the environment.
Through the phyloric sphincter.
Oxygen belongs to the Chalcogens family of elements. Oxygen is found in Group 16 or VIA of the periodic table, along with the elements sulphur, selenium, polonium and tellurium.
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.