Which of the following is true about acid rain?

a. It is more acidic that normal rain.

b. It is less acidic than normal rain.

c. All rain is acid rain.

d. There is no such thing as acid rain.

What is the function of the kidneys? how many does the pig have? where are they located?

All multicellular organisms are called

Of which era was the cretaceous period?

In the bird egg, which of the following functions as a reservoir for wastes produced during development? (A) Allantois (B) Amnion (C) Chorion (D) Yolk sac (E) Placenta

What is NOT true about energy transformation in living things? A. Energy from respiration is recycled by plants to carry out photosynthesis B. Light energy is converted to chemical energy by plants during photosynthesis C.

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.