Why are only certain parts of the moon lit up at different times?

3points hurry! what is the relationship between biotechnology, sharkskin, and disease resistance? bioengineers have developed an artificial sharkskin that does not allow resistant bacteria to grow on it. disease-causing microbes have been genetically modified to keep them from infecting the skins of sharks. scientists have created a device that can be attached to the skins of sharks that dramatically increases their abilities to resist disease. sharkskin produces many chemicals that can be collected and used to create antibiotics.

The cretaceous period spanned the time interval between and 65 million years ago. 250 million 144 million 75 million 200 million

What if the yeast were extremely active and produced more than 100ml gas. would you know? why/why not