The density of a rock is 3.93 g/ml. if the rock is added to 3.42 ml of water, the level of the water rises to 5.29 ml. what is the mass of the rock?

Dr. Garcia is performing an experiment to see how cell division in flies is affected by the addition of a certain protein, called protein W, into a cell's cytoplasm.

A contact force exist between two interacting objects that physically contact each other. A non-contact force exist when two interacting objects are not in physical contact but can still influence each other. True or False

Where are tidal generators located? A. in the ocean in the deep water B. in the ocean along the coast lines C. in lakes D. on the beaches

The molecular formula for glucose is c6h12o6. what would be the molecular formula for a polymer made by linking ten glucose molecules together by dehydration reactions?

Can a phase change or mixing create a new substance? Explain.

Which is NOT a property of gold? A. rare B. tarnishes C. malleable D. corrosion resistant

The element rubidium has two naturally occurring isotopes. The atomic mass of 85Rb (72.17 percent abundant) is 84.911794 amu. Determine the atomic mass of 87Rb (27.83 percent abundant). The average atomic mass of Rb is 85.4678 amu.

Describe what you can do to slow down, or stop the continuous negative human treatment of our aquatic biomes.

If the hydrogen ion concentration is 10-7M, what is the pH of the solution? Show all work.

When it is raining water is returning to earth as a water cycle stage called