The image to determine the 'component a' is not found here, but the electrophoresis device is composed of an agar/polyacrylamide gel, a chamber and poles (cathode and anode).
<h3>What is electrophoresis?</h3>
Electrophoresis is a device used in the laboratory to separate biomolecules depending on their charge and mass.
The electrophoresis device consists of an agar/polyacrylamide gel, a chamber, and two poles: cathode (positive) and anode (negative).
Electrophoresis is very useful to separate DNA molecules, which migrate to the positive pole due to their negative charge.
Learn more about Electrophoresis here:
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Answer: D. Heat
Explanation : Water Vapor is a source of warmth, since the heat that is radiated from Earth is absorbed by the water vapor. This is why greenhouses use water vapor as well.
Answer:
I'm pretty sure its D)55,000 years ago
Explanation: