Our Sun is one star in the which may contain about 200 to 400 billion stars and measure about 100,000 light years in diameter. *

O

Messier Galaxy

O

Andromeda Galaxy

O

Milky Way Galaxy

O

Comet Galaxy

What does Blue litmus paper test for?

How do you solve displacement

How long does it take for 750ml of water boil

Which of the following would release the most heat upon cooling from 75*C to 50*C? Answers:10g H2O (I) 15gAl (s) 25gSn (s) 40gAu (s)

What is the chemical symbol for lead? A. L B. K C. Le D. Pb

What is the electron configuration of a sulfur atom in the ground state?

Unsaturated fatty acids are often classified according to the number of carbon atoms between the terminal methyl carbon (the omega carbon) and the closest double bond to the methyl end of the chain.

Suppose the average concentration of copper in water is measured to be 2.5 x 10" M. a. Express this concentration in mg/L. b. Express this concentration in ug/L. c.

If I add water to oil what will happen

Commercial fertilizers, which are made by humans, are used to enrich soil for healthier crops. However, erosion may carry the fertilizer chemicals to the oceans. The presence of these chemicals may cause certain kinds of algae to reproduce rapidly.