Since ancient times, alcohol has been created by the fermentation of
a. water
b. protein
c. sugars.

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

Which of these structures are found in both plant ans animal cells?

All other things being equal the size of a population will decrease if