Which of the following best represents an isolated system?

A. Outer space

B. The moon

c. The ocean

D. The atmosphere

Which of these steps is NOT part of the process of scientific inquiry? A) asking questions B) taking measurements C) stating beliefs D) performing tests

Chickenpox virus enters body for second time, body's line of defense?

John wants to show the evolitinory telationship between a look and a cat and group tjem based on theor similarities and a common ancestopr

What type of organism would you expect to see in an area that recently experienced a volcano eruption?

17. Approximately how much of the world's population lives in cities? A. 75 percent B. 25 percent C. 80 percent D. 50 percent

Select the expression that is equal to (9c+3) - (5x-7) 14x-4 14x + 10 4x-4 4x + 10

What is the term for the net force directed toward the center of an object's circular path? a. circular force c. centripetal force b. centrifugal force d. orbital force Answer:c. centripetal force

Stephan predicted that the seeds will start to grow faster if an electric current traveled through the soil in which they were planted. Is it A. Recognize a problem. B. Form a hypothesis C. Test the hypothesis with an experiment or D.

Carbohydrates may form larger carbon-based macromolecules by combining with which elements? A. sodium, potassium, nitrogen B. nitrogen, sulfur, phosphorus C. potassium, sodium, sulfur D. silicon, phosphorus, sodium

Will a person with cycloplegia have difficulty with near or distance vision? Explain