A grocer stacks oranges in a four-sided pyramid that is 6 layers high. Solve for the number of oranges in the pile.

A. 36

B. 546

C. 105

D. 91

Identify two causes of air pollution and its effects on human health?

Which conditions are necessary for natural selection to occur? Select all of the answers that apply

Which of the following statements is NOT true of soil? (3 are true, 1 is not, choose the one that is not true) a. It takes a long time to form b. Living organisms add nutrients to it C. There is one kind of soil in the U. S. d.

In humans, most gas exchange occurs between the

If someone is blood type O, then their blood contains antibodies for which antigens? A. A B. Neither A nor B C. B D. Both A and B

Long chains of amino acids are found in?

Which one type of analytics would be used to analyze hospital readmission rates for heart failure? a. opportunistic b. descriptive c. predictive d. prescriptive?

Cyclins are a family of closely related proteins that a. regulate the cell cycle b. cause cancer c. produce lipids

Many functions in the body are controlled by special compounds. Which statements about these compounds do you think are true? Check all that apply. The body can make all of the compounds it needs. The body gets energy from some compounds.

The wide range of eye color indicates that eye color is