Which of the following is an example of a compound?

A.

Na

B.

H2O

C.

Cl

D.

O

Why do shallow estuary waters create unique habitats for organisms living here?

To conserve body heat, vasoconstriction restricts blood flow to the periphery but not to the body's core. Explain how this is an adaptation for survival

The combination of phosphate, sugar, and nitrogen bases in DNA or RNA

Name three micro organism with procaryotic cell

How are all courts, except the US Supreme Court, established? O A. by the Constitution O B. by Congress c. by presidential executive order OD. by the states

In 1986, Chernobyl, a nuclear facility, was the site of a major nuclear accident in what country?

When the rate of vibration of the vocal cords increases?

In a DNA molecule, which of the following forms a base pair with adenine? O A. Cytosine O B. Guanine O C. Thymine O D. Adenine

Wood lice are more active as they move from a dry area to a humid area. Which innate behavior are they displaying here?

During the early stages of embryo development, dolphins have gill pouches. What does this mean? a. Dolphins evolved from fish. b. Fish evolved from dolphins. c. Dolphin embryos go through a fish phase during development. d.