Which of the following statements is most accurate?

A. Warm air sinks.

B. Warm air is less dense than cold air.

C. Warm air is denser than cold air.

D. Warm air exerts more pressure on the land than cold air.

Which process requires the sperm and egg cell

Approximately how much of the water found on earth is non-fresh

Common commercial benefits of microorganisms include synthesis of

How does temperature and amount of precipitation affect the types of plants and animals found in the rainforest biome?

In which part of the chloroplast does each stage occur

Metamorphosis is a type of homeostasis. a. True b. False

Match the layer of the earth with its best description. 1. inner core a. plastic portion of the upper mantle of the earth 2. outer core b. made of large plates that move 3. lower mantle c. layer just outside of the outer core 4. upper mantle d.

Cells produce ATP both aerobically and anaerobically. One process is an integral part of aerobic respiration that produces the majority of ATP molecules is

An organism with at least one ___ for a particular form of a trait will exhibit that form of the trait

Base excision repair corrects DNA by A. removing a double-stranded fragment of damaged DNA. B. detecting, removing, and replacing damaged or incorrect nucleotides in a single strand of DNA. C. excising the incorrect base from a nucleotide D.