Very easy gravity is strong from the universe.
A host to feed off of, the right temperatures, basically the right living conditions for that type of bacteria. Most of the time it depends on the type of bacteria.
Answer:
Though the tidal force is felt by human,but it is usually very small because our masses are small compared to that of the earth.
Explanation:
From Newton law of gravitation.
Force is directly proportional to the product of masses,hence a reduction in masses leads to a reduction in force
A southwest, to Northeast movement of air. A drop in air pressure. And warm air behind the front.
