Answer:
Though huge, the Pacific is getting smaller. It was once much wider when all the continents were joined together in the supercontinent, Pangea. The Pacific ocean basin is getting smaller because the Atlantic Ocean is opening and North America and South America are moving westward.
The T cell is a lymphocyte or type of white blood cell. They play a role in the immunity of the body. There are different varieties of T cells and they are differentiated by the receptors that are on the surface of the cells. Some cells are natural killers and some are B cells.
Answer:
8 minutes and 20 seconds
Explanation:
photons emitted from the surface of the Sun need to travel across the vacuum of space to reach our eyes.
It's winter in Australia because it is located in the southern hemisphere.
Alot
of increasing density
