This graph is a combination of atmospheric carbon dioxide measurements taken from ice cores in Antarctica and air samples atop mauna loa the graph best shows how the atmosphere has been affected by an increase in (A) sea levels (B) photosynthesis (C) the ozone layer (D) industrial activity

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