28) Which of the following is an advantage of using coal to generate electricity? A. Generating electricity this way does not produce heat or produce greenhouse gases
B. Coal is a renewable resource, so we will always have an adequate supply
C. Coal is extremely inexpensive to extract and convert into electricity
D. Mining coal does not disturb natural habitat at the surface

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