Building a mass transit system is likely to have which of the following effects

a. increased air pollution
b. traffic congestion
c. increasing the temperature of the urban heat island
d. none of the above.

Match the types of competition to their descriptions

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.

How many major plates cover the earth