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

A) ozone.

B) oxygen.

C) nitrogen.

D) carbon dioxide.

What text structure is used to present this imformation to the reader?

What is the length of an average solar cycle?

When moose population increase, what happens to the wolf population?

What are importance facts about any town, city, or you have

Morris and Ted are brothers who work in similar fields. Morris works at an accounting firm and Ted is a financial analyst. Their sister, Rosa, works for the SEC. What do they have in common?

Kristyn is thrilled to hear she is expecting twins. her doctor informs her that the twins are dizygotic. what does this mean?

Chromosome duplication, which happens during mitosis, occurs in the what?

Which is not a characteristic that all living organisms share

A scientist claims plants can communicate with each other in a variety of ways. justify the claim of the scientist and describe the types of responses that result from the communication of two different plants.

Which of these scenarios illustrates natural selection due to behavior