In a cross between a true-breeding pea plant bearing smooth, yellow seeds and a true-breeding pea plant with wrinkled green seeds, the offspring were all had smooth and yellow seeds. what is the genotype of the f1 plants

Ascientist wants to determine the effect of a new type of gasoline. he fillsone car with normal gasoline and another identical car with the new gasoline.which is the control group? a. the new type of gasolineb. the car with the normal gasolinec. the car with the new gasolinethe amount of gasoline usedd. the amount of gasoline used

Natural resources are any materials that humans obtain from the earth to meet our wants and needs.

The earths core is made up mainly of what 2 substances? 2. like an egg, earth has a core, a layer surrounding the core, and a thin, hard outer layer. which layers of the earth match the layers of an egg?