The cell theory was A. developed by Robert Hooke. B. developed before microscopes were invented. C. developed only after electron microscopes became widely used. D. developed by many scientists over many years.

An energy pyramid illustrates that energy in the form of (blank) is lost to the surrondings as it is passed from one organism to the next

How many atoms of mercury are present in 8.4 cubic centimeters of liquid mercury? the density of mercury is 13.55 g/cc. answer in units of atoms?

Which of the following is true of science? It does not change once a law is discovered. It reflects the personal opinions and beliefs of scientists. It is a body of knowledge gained using inquiry and experimentation.

What types of ancient organism formed oil and natural gas?

How can Newton's laws be experimentally verified?

A certain shade of blue has a frequency of 7.07 * 1014 Hz. What is the energy of exactly one photon of this light?

Which burns faster, a large log or the same log cut into small sticks of wood? 1. neither, both burn at the same rate 2. small sticks of wood 3. a large log

What types of cells in your body are no longer undergoing mitosis

What is the solubility of nitrogen and calcium nitrate in cyclohexane?

Carbon exists in nature as three isotopes. Given the atomic masses and relative abundance of the isotopes, what is the average atomic mass of carbon?