The answer is B.
The kinetic energy of an object depends on <span>the object’s speed and mass. By definition, kinetic energy is produced only when an object is in motion.
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Remember, the cooler stars are white or yellow like the sun, and hottest are blue. Based on that, it should be in this order: Barnard's Star, Polaris, Sirius, and Rigel.
The answer to your question is a mudflow
It’s a plant cell. only plant cells would have a cell wall and chloroplasts
B. DNA is heated to separate strands
<span>First.PCR reaction</span>