Answer:
<em><u>As the instructor, you supply the carbon source by blowing bubbles in phenol red. The carbon dioxide in your breath will dissolve in water to form carbonic acid, which lowers the pH of the solution. Phenol red turns yellow in a pH lower than 7, revealing in this case the presence of a carbon source.</u></em>
Explanation:
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Answer:
The correct option is B, THE LOCATION OF THE FOSSILS WERE ONCE MUCH CLOSER TO EACH OTHER.
Explanation:
The discovery of identical species of organisms at different location on the earth continent has been explained by the theory of plate tectonic. The theory of plate tectonic states that the outer layer of the earth is divide into several plates, which are capable of moving around the earth in relative positions to one another.
Using the theory of plate tectonic, the geologists in this question will conclude that the fossils discovered at different sides of the ocean were closer together before, but were moved away from each other as a result of the process of plate tectonic.
The answer is the 3rd option:))
Answer: <u>Option A, OPEC
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Explanation: Around 80 percent of oil production was accounted by OPEC in the year 2018. It is an organization of fifteen countries, which contain majority of oil reserves. Mainly the oil comes from the middle-eastern countries; namely Kuwait, Iran, Iraq, Qatar, etc.
United Nations and European Union hold very minute share in world's oil production. Exxon's share is also less than ten percent.
Answer: The lipids and proteins that make up the membrane allow it to be selective about what enters and leaves the cell."
Explanation:
