How are rain hail and sleet similar and how are they different

Which of the following is one of the major greenhouse gases? A. Oxygen B. Nitrogen C. Ammonia D. Carbon Dioxide

The middle segment of the small intestine a. large intestine b. jejunum c. duodenum d. stomach e. ileum

What do scientist use to study pre-Cambrian time?

2. Which organelle is responsible for translation?

What's a good reason for an animal or plant to fossilize

Elephants are endangered, but cows are not because

Healthy bones, teeth, and muscles require the mineral? Carbon Sodium Calcium Cadmium Iron

What describes the time of year when the length between Sunrise and Sunset is the longest?

Which of the following must be true to consider something to be alive?. a) it must be able to move. b) it must be able to respond to light. c) it must be able to convert energy from one to another

What is the effect of acid rain on water resources?