Arrange these energy sources from highest to lowest percentage of worldwide use. 1. Petroleum 2. Nuclear power 3. Wind power

List three ways in which a nanotechnology revolution could benefit you and three ways in which it could harm you. Do you think the benefits outweigh the harms? Explain

This female hormone, stored in the posterior pituitary gland, stimulates the contractions of the uterus during childbirth. What is this hormone?

When an acid, like hydrochloric acid, is added to water, what happens to the pH?

Which of the following combinations is most likely to result in digestion? a. pepsin, protein, water, body temperature b. pepsi, protein, water, body temperature, HCl (hydrochloric acid) Explain.

Which two stars have the most similar luminosity and temperature?

Which example best describes one way that humans contribute to the water cycle? A. formation of genetic material B. evaporation of sweat from skin C. production of oxygen D. fixation of nitrogen into ammonia

How would signaling be affected if a mutation caused a g protein to replace gdp with gtp on its own without needing to be activated by the g protein-coupled receptor?

The role of an organism in the ecosystem is called its A. niche B. habitat C. species D. environment

Which condition will increase the rate of chemical reaction?

Why does DNA has an overall negative charge?