Which of the following is an example of matter?

a) ideas

b) sound

c) water

d) energy

When you take a deep breath before diving underwater, air is forced into your lungs by the contraction of your ... - alveoli - lungs - diaphragm - heart

How does the water needed to carry out photosynthesis get to leaves

The United States most widely grown crop is what

A human has 46 chromosomes in each body cell. How many chromosomes does each egg cell have?

It is accurate to state that chronic fatigue syndrome is

Which of the following groups contain organisms that have tissues and organ systems? A. prokaryotes. B. bacteria. C. eukaryotes. D. protists.

What colors can a turtle see

If rats are allowed to wander through a complicated maze, they will subsequently run the maze with few errors when a food reward is placed at the end. their drastic change in performance once given a reward describes

Favorable changes in species get passed down through the generations because of

The most common form of aggression seen in animal hospitals is