Which of these contains four hydrogen atoms? CH3OH

H2O

H2O2

HCl

What is the answer for the complicated molecules that make up living things usually contain carbon. why is carbon so important in these molecules?

How does a lytic infection differ from a lysogenic infection?

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.