What is a "falling star"?

A a comet entering Earth's atmosphere and burning up

B a meteor entering Earth's atmosphere and burning up

C a dying star

D a meteorite that has fallen to earth

Why is the Cell Theory not a law?

Which of the following decreases the activation energy necessary to initiate the chemical change within the body? amino acids fatty acids enzymes nucleotides

What are primary producers?

Substitution mutation

Which of the following is a step in evaluating the reliability of a website? a. reviewing the URL b. determining who wrote the information the website contains c. searching for reviews of the website d.

Why do we need muscles?

Which specialty area would be most interested in identifying the brain-activation patterns associated with a person's perception of different objects?

What happens once an item breaks through the surface tension of water? A. it sinks B. it floats C. it becomes hot D. it becomes cold

How does epilepsy affect homeostasis

Four floral organs of a complete flower