A student plugs a hot plate into an outlet and turns on the hot plate. The student places a
beaker with ice on the hot plate to melt the ice.
Which of these objects
uses the same source of
energy as the hot plate?
A Toaster using electrical energy
B Balance using mechanical energy
C Plant using light energy
D Solar calculator using solar energy

The diagram shows the results when two parents are crossed. the letters represent alleles for a trait that is controlled by three different genes. which best describes this inheritance pattern? multiple allele because a trait is controlled by three different genes polygenic because the offspring have alleles from both parents multiple allele because the offspring have alleles from both parents polygenic because a trait is controlled by three different genes