Answer:
The safety and effectiveness of vaccines are under constant study. Because vaccines are designed to be given routinely during well-child care visits, they must be extraordinarily safe. Safety testing begins as soon as a new vaccine is contemplated, continues until it is licensed, and is monitored indefinitely after licensure.
Explanation:
Answer:
Explanation:
Due to the Sun's massive size, its large gravitational pull causes the planets and other objects in the solar system to orbit around it. In orbit around the Sun are the eight planets along with their moons, dwarf planets and many much smaller objects like asteroids and comets.
Option A I guesss. Not sure
Answer:
Human beings branched from a common ancestors along with primates, but fall into a different group called the hominids, and homo sapiens (modern man) is the only specie of this group to have survived to our time.
Explanation:
Evolution is the the process by which different kinds of living organism are believed to have developed from earlier forms during the history of the earth.
There is a strong assertion of an evolutionary link between humans and chimpanzees from evidences of evolution. Usually, organisms that evolved from a common ancestor share certain structures in common. This asserts the authenticity of an evolutionary link between species.