This gas is found in the stratosphere but not in the troposphere. What is it?

A) ozone.

B) oxygen.

C) nitrogen.

D) carbon dioxide.

Witch discovery supported the endosymbiotic theory

Nucleic acids are composed of monomers called A. nucleotides. B. base pairs. C. ribose. D. amino acids.

The synthesis of sugar molecules through the process of photosynthesis requires energy absorbed from sunlight. bearing this in mind, what kind of reaction is photosynthesis? exergonic endergonic catabolic feedback

Kangaroo rats live in the desert of the southwestern united states. they have many adaptations to minimize water loss. they obtain a small amount of water from seeds that they eat.

What is one reason a person in Boston might stay loyal to the British

Name 2 ways the diffusion of popular customs can adversely affect the environment

Once your ambulance is dispatched to an emergency, you have an obligation to respond. what is this called?

Which of the following cellular adaptations assist many unicellular organisms with locomotion? A. Mitochondria B. Chloroplasts C. Cilia D. Ribosomes

When an accurate experiment is repeated by another scientist, the results A) should be similar to those obtained originally. B) will be identical every time the experiment is repeated. C) should be completely different for a different scientist.

1. Which of the following forms all matter?