The water, carbon and nitrogen cycles are examples of what type of cycle?

The chemical reaction below represents a metabolic process. Which metabolic process listed below uses the products of this reaction as reactants? a) Cell respiration b) Photosynthesis c) Fermentation d) Glycolysis

How many years ago were the first communities and governments formed

What two characteristics of the males most influence their likeliness to mate

14. Which immune cells circulate in the body, providing immunity by producing antibodies? A. Antigens B. T-cells C. Lymph Nodes D. B-cell

Which of the following best describes an ecosystem?

Tactile sensation is a combination of touch, pressure, stretch, and vibration. Which of the following is most likely the receptor type that senses tactile stimulation?

Is this statement true or false? Glaciers form as ice and snow build up for a few years. A. True B. False

List four general functions of the cell membrane

The more time people spend using social media, the less able they are to express themselves in conversation.

Do you believe cloning should be used with restriction