2H2 + O2 + 2H20
Which statements about the equation shown above are correct? Check all that apply.
It represents a reaction that involves rearrangement of atoms.
It represents a reaction in which hydrogen nuclei and oxygen nuclei undergo change,
It represents a reaction in which hydrogen electrons and oxygen electrons undergo change.

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.

What is a group of organisms that are closely related and share similar characteristics

What is the difference between a meteoroid and a meteor?