Aking is trying to determine whether his crown is made of real gold, which has a density of 19.3 g/cm³. the crown has a volume of 80 cm³. what would the mass of the crown be if it were made of real gold? a. 1,380 g b. 1,466 g c. 1,544 g d. 1,782 g

Legumes, a type of plant, require rhizobia, a type of soil bacteria, to survive since these organisms fix nitrogen during photosynthesis. rhizobia use the legumes for food. what would most likely happen to the legume population if rhizobia suddenly became extinct?

Each hereditary trait corresponds to

Pentane with molecular formula c5h12, exists in three isomeric forms. one shows linear carbon chains, another has one -ch3 groups present on the third carbon atom, and the third has two -ch3 groups present on the second carbon atom. what types of isomers are these? a. geometric isomers b. structural isomers c. halotropic isomers