In the image below you have three different patterns of the electric field generated by charged particles. Match the pattern A, B, and C with the charged particles that are generating it.  

How many chromosomes does a gamete contain?

There are two resistors connected in parallel: R1= Ohms and R2= Ohms. Determine the equivalent resistance. Round your answer to 2 significant digits only. For example, if the answer is 65.4 Ohms write 65.

A box contains 2 green and 3 red marbles. One marble is drawn at random, replaced, and then a marble is drawn again. What is the probability that the two marbles are the same color? 

The atoms are mostly empty space, and the scientist Ernest Rutherford performed an experiment to prove it.  

If the volume of an object triples with no change in mass, its density would be ________

You have a rock with a volume of 15 x 10-6 m3 and a mass of 45 x 10-3 kg. What is its density?

Martha’s mother must have been sinistral:

What is the amplitude of the wave that is shown?

When gas in a container expands to three times its volume at constant temperature, the gas pressure ____________