Can small trees contribute oxygen? Yes or no

What are the formed elements (cell or parts of cell) in blood and what are their functions ?

Is there any solid scientific evidence that humans have been cloned?

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