How many pounds does the earth weigh?

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.

What are the responsibilities of the region of the brain highlighted below? =+= will rate brainiest =+=

What are examples of the plant life and animal life that can be found in each type of terrarium