Are cells that build bone, while cells that break down bone. osteocytes; corticulocytes corticulocytes; osteocytes osteoblasts; osteoclasts osteoclasts; osteoblasts

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

Explain why it’s important for scientists to study the sun. list at least two challenges researchers face when examining earth’s nearest star.

Describe how viruses and bacteria can be used as biological weapons. what are some of the potential threats and potential benefits? do you agree with the use of viruses and bacteria as biological weapons? why or why not?