Fusion is a type of

chemical reaction
physical reaction
nuclear reaction

Which of the following occurs after a natural or unnatural disturbance in an ecosystem

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

Hershey and chase confirmed that dna, not protein, was the genetic material. how do the results of their two experiments support this conclusion?