Unlike mammals, fish

A. need oxygen to survive

B. release carbon dioxide

C. can take in oxygen from the air

D. utillze gills for gas exchange

The main responsibility of the environmental protection agency (epa) is making sure anti pollution laws are followed. what kind of agency is it?

Which of the following is mostly likely the greatest contributing factor to decline Atlantic cod populations a. overfishing b. legal regulations c. increasing reproductive capacity d. water temperature

What happens to a molecule when it is phosphorylated

Spreading centers with high spreading rates, such as those where plates are diverging rapidly, are characterized by a long, gently sloping ridge. The ridge forms as a well-developed magma chamber beneath causes the rock to swell upward.

What are the main organs/parts involved in the circulatory system

Which of the following correctly describes the size of the Milky Way galaxy?

The fossil record shows that two groups of organisms are related, which means they share a

The sun is A. An unusally hot star B. A very cool star C. A typical star D. None of the above

Which plant is often used as a soil conditioner Some Moss A Fern Some Horsetail Or maybe some Hornwort I just put my own little twist in words but the questions are Moss, Fern, Horsetail, and Hornwort

Astronomers studying the planet of Acer have detected igneous rock under its surface. One astronomer makes a claim that some of the material that this igneous rock formed from used to be in sedimentary rock on the surface of Acer.