Maple trees are often tapped to extract the sap to make syrup. which type of tissue is the aim of the tree tap?
a: dermal
b: meristem
c: ground
d: vascular

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