Explain in your own words how the offspring from the test cross could help determine Fred’s genotype

Why can blue light and yellow light combine to produce white light? question 17 options: they are both primary colors of light. they absorb each other's wavelengths. because blue, yellow, and white are primary colors. they are complementary colors of light.

Avoltaic cell converts chemical energy to

Does heating a metal wire increase or decrease its electrical resistance? why?