The Paleozoic Era, which ran from about 542 million years ago to 251 million years ago, was a time of great<span> change on Earth. The era began with the breakup of one supercontinent and the formation of another. Plants became widespread. And the first vertebrate animals colonized land. so its B</span>
Well, there are a few types of planetary movement, a planet moves in an elliptical and orbital pattern that can be observed by keeping watch on how many times a year you see it in the sky; with this information you will be able to predict its movement patterns by the frequency of orbital movement as well as the interval between each appearance.
Oh and BTW next time, try posting a SCIENCE question in the Physics category?
Key is the answer to this
Answer:
North American Free Trade Agreement
The United States–Mexico–Canada Agreement is based on the North American Free Trade Agreement (NAFTA) which originally came into effect on January 1, 1994.
Hope This Helps! Have A Nice Day!!
changes to the mutation is harmful
mutations are basic input of a organism
so playing with mutations is like inviting danger
it will give beneficial and neutral defects to the organism and may take life of it.
the biggest example is playing with virus which caused corona
