Ahydrocarbon having chemical formula c4h8 has one double bond. identify its class

Apea plant that is heterozygous for the tall phenotype can produce short offspring when self pollinating. which of the following explains why this occurs? a. segregation of allels b. condominance of traits c. polygenic expression of traits d. independent assortment of alleles

20 the compound al(nh3)2 has atoms of nitrogen.

Which of the following types of stars are dim but can have high surface temperatures? giants main sequence stars supergiants dwarfs