PLEASE HELP MIGHT GIVE BRAINLIEST IF YOU'RE CORRECT In addition to liquid precipitation, which are present when freezing rain occurs?

ice pellets
snowflakes
cold surfaces
warm temperatures

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