Answer:
a
Explanation:
called Pangaea (meaning "all lands"), and over time they have drifted apart into their current distribution. He believed that Pangaea was intact until the late Carboniferous period, about 300 million years ago, when it began to break up and drift apart.
Although the application of biotechnology has many potential advantages, it also has potential risks. These risks include increased resistance of insects and microorganisms, overproduction of new plants, and competition with natural organisms. Some individuals may not believe that the benefits of biotechnology outweigh the risks.
This is the exact answer on edge
Birds, Salamanders and Sharks are all Endotherms and can manipulate their body temperatures.
Potential energy or stored energy.