plants need surface area to expand their root systems and grow. How can hydroponic systems adapt to limited surface? Think of a cylinder. Are they Vertical? or Horizontal?

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

Communication and transportation have improved as a result of scientific advancements. select the best answer from the choices provided of mark this and return save and exit next

Based on the data in the graphs do you think pepsin and trypsin are found in the same part of the body? explain your answer.