Celestial phenomena have intrigued humans for centurys.

a. centurians

b. centureys

c. centuries

d. correct as is

The domain that corresponds to the Eubacteria is: a. archaea b. Bacteria c. Eukarya D. Fungi

A person feels tired, gains weight, and notices changes in metabolism. Which gland would be the cause A: the pancreas B: the testes C: the thyroid D: the ovary

Certain gases in the atmosphere trap heat on Earth. What is the name of this Phenomenon? A. Cooling period B. Glacial melting C. The Greenhouse effect D. Global warming

What is sexual harras means

What is one way to increase the rate of the reaction?

Lewis is exercising and his muscles need oxygen. Which best describes how systems interact to bring his body into homeostasis? The circulatory system brings oxygen to the respiratory system, which delivers oxygen to the muscular system.

Match the term to its description. Match Term Definition Elliptical galaxy A) Does not have a distinct regular shape Galaxy B) Forms a perfect sphere or an ellipse and is flattened to some degree Irregular galaxy C) Is a collection of several

The outer edge of the nostril is called the

A desert area has many species of cactus and brush as well as birds, snakes, lizards, and rodents. This desert is an example of a what: climax community, pioneer species, disturbance, secondary succession.

When an organism hunts and kills another organism for food, the hunter is called A. prey. B. an herbivore. C. a predator.