8. What is a sedimentary rock? Describe.

When exercising, you should

Compare Niger's and Italy's net migration rates on the chart above. What do these figures mean for the two countries?

Is this equation balanced? Explain your answer. Na + Cl2 → NaCl?

What should he spray on the trees to stop the fruit from falling off too early?

2. All minerals a have a definite chemical makeup. b. are pure elements. c form crystals. d. contain carbon.

A scientist is observing elephants in Asia. He notices that a specific species of moth lands on the faces of the elephants. On closer observation, he sees that the moths irritate the eyes of the elephants and then drink the tears that emerge.

How can hypotheses best be tested? A. by asking questions B. through experimentation C. by forming an opinion D. through technology

What are the four types of lipids?

Describe one niche in the ecosystem.

Tissues are made of a grouping of cells. a. True b. False