3. Which cells are responsible for creating keratin? *

Melanocytes

Keratinocytes

Suppose a chemical was to spill onto the ground and get into the soil. The chemical could contaminate (spoil) the groundwater. How do you think it could be cleaned up?

A microwave oven produces energy waves which are: longer than visible light shorter than visible light not part of the electromagnetic spectrum

The northern spotted owl is listed under the endangered species act as a threatened species in its primary range of Washington, Oregon and California. Which if the following most likely contributed to the northern spotted owl populations decline?

A brain cell contains thousands of mitochondria what can you conclude from the information about the brain's need for energy. answer

Active transport requires the use of?

1) Research the history of terrariums. Find out who developed the first terrarium. What did this particular scientist want to study? 2) What are the two different types of terrariums?

Lab report mouse genetics one trait

How do scientist develop scientific explanations about subjects that are impossible to study through controlled experiments?

Is Bacteria and Bcaterium is same ...

How has the kingdom system changed over the last three hundred years