8. Applying Concepts Apply what
you know about the relationship
between altitude and air pressure
to explain why rescue helicop-
ters have a difficult time flying
at altitudes above 6,000 m.

What heat is removed how does a gas become a liquid

Which of the following statements is true? a. there are more chromosomes in an organism than there are genes. b. there are more genes in an organism that there are chemical bases. c. dna is made of sugar, phosphate, and carbon. d. genes are found in specific locations on a chromosome.

How do you date a sample of rock that you suspect as being one of the earliest on earth