How does a vaccine work?

a. it kills viruses

b. it protects cells from viral infection

c. it prepares the immune system to recognize viruses

d. it prevents viruses from being transmitted from an infected person

What happens inside chloroplast

What is a scientific question? a question that is asked by scientists only a question that is based on observations and that is testable a question that is broad and that reinforces existing knowledge a question that has a simple answer that doesn't

The study of what happens to the remains of an organism is called:

Are decomposers part of an energy pyramid?

Which statement completes Newton's Third Law of Motion about one object exerting a force on a second object? A. The forces are equal in magnitude and equal in direction. B. The forces are equal in magnitude and opposite in direction. C.

Which two space shuttle's were lost to explosions?

A scorpion stalks, kills, and then eats a spider. Which ecological terms describe the scorpion? consumer, carnivore, heterotroph producer, herbivore, decomposer detrivore, consumer, heterotroph omnivore, producer, autotroph

The first day of football practice was rough on the squad. During practice, the players complained of cramps and sore muscles.

Which best describes the process of science?

Which of the following statements explains why viruses are considered non-living? Question 2 options: A) viruses are too small. B) Some viruses have RNA for genetic material instead of DNA.