Which describes the basic structure of a fatty acid? a long carbon and hydrogen chain and a phosphate group a long carbon and hydrogen chain and a glycerol a long carbon and hydrogen chain and a carboxyl group a long carbon and hydrogen chain and an alcohol

Cathy hypothesized that corn would not grow in mud. to test this hypothesis, she took corn kernels and placed 5 in mud, 3 in soil, and 2 in water. to her surprise, the kernels in the mud grew faster than the kernels in the soil. what error might have caused these unexpected results? a. wrong hypothesis b. not enough variables c. undefined control d. too many variables