Select the choice that best completes the following sentence:

a compass uses the property of to indicate direction.

a. electricity
b. magnetism
c. solar energy

In fruit flies, gray bodies (g) are dominant over black bodies (g), and brown pigments (n) are dominant over yellow pigments (n). each individual possesses two alleles for each trait. if a fly that is homozygous dominant for both traits is crossed with a fly that is homozygous recessive for both traits, what is the predicted genotype of the offspring.

How can you keep track of variables in a science experiment?

What is hydroelectric power produced by?