Theory is often used as a synonym for idea in everyday life.
How does a scientific theory differ from an idea?
A.
Scientific theories are guesses made by scientists.
B.
Scientific theories are supported by evidence or data.
C.
Scientific theories always develop into laws.
D.
Scientific theories cannot be revised.

25. what does meiosis create? haploids or diploid? somatic cells or gametes?

Darrel conducted an experiment with the following procedure: fill two cups with ice water. place an uninflated balloon snuggly onto your left index finger. blow a little air into an identical balloon, and place it onto your right index finger. place both fingers into the cups of ice water. darrel noticed that his right finger felt warmer in the ice water than did his left finger. which of the following does the experiment show? a. air is a good radiator of heat. b. air is a good insulator of heat. c. air is a good conductor of heat. d. air is a good convector of heat.

When a person is exercising the body needs to deliver increased amounts of oxygen to the muscles which component of blood ensures that the muscles will receive it