ABG 10- A true statement about greenhouse gases is that they
a convert sunlight into heat energy that warms Earth
b. are concentrated in the stratosphere.
c. trap heat that is radiated upward from Earth
d. are not affected by human activity
HELLLPPP PLEASE

What happens during the heat transfer within earth

What type of lipids are found in all biological membranes?

What would be the result if crossing over did not happen during meiosis in humans? a. there would be less genetic variation in humans. b. parents would be more likely to look like their children. c. the human population could not reproduce. d. children would have more chromosomes.