Answer:
trees
Explanation: its the only part of an ecosysstem that is living
This question has a two part answer. The first part is that an asteroid hitting the earth and the second part is massive volcanoes erupting around the world.
Answer:
Rain
Explanation: Rain can wet the mud, and cause it to slide. This is one cause of a landslide that humans don't cause. This is why rain is a natural cause for lanslides.
Physiology has several topics, most of which consider the function of specific organ systems. 2. Physiology often focuses on cellular and molecular events. ... The principle of complementarity of structure and function states that function is dependent on structure, and that the form of a structure relates to its function.
