When continents move apart, rifting occurs which produces cracks and new rock formations. Accretion occurs when faults strike each other forming layers of earth to stack on top of another. This creates mountains, hills and other land formations.
The Zika, Ebola, West Nile, and Avian Influenza were responsible for killing people harshly.
Holmes said to Watson "My dear doctor, this is a time for observation, not talk, because it was part of his method to observe closely and then to consider his observations. The correct answer is A.
Answer:
Water, carbon dioxide, and oxygen are among the few simple molecules that can cross the cell membrane by diffusion (or a type of diffusion known as osmosis ). Diffusion is one principle method of movement of substances within cells, as well as the method for essential small molecules to cross the cell membrane.
Explanation:
