I just took a test in school today. What question was I asked?

Question I was asked: Mr. Jenkins constructed a circuit consisting of a variable source, wires, and a resistor. In order to triple the amount of current, how should he change the voltage of the source?

I just took a test in school today. What question was I asked?

Question I was asked: A scientist cross-pollinates a tomato plant that is resistant to viruses with a tomato plant that produces large tomatoes. This is an example of

I just took a test in school today. What question was I asked?

Question I was asked:
Some health care professionals recommend that children use insect repellent before going outside. Using insect repellent is a good way to keep the insects from