A measure of the number of particles of a substance in a given volume would be concentration. <span>In chemistry, </span>concentration<span> is the abundance of a constituent divided by the total volume of a mixture. There are a number of ways expressing it such as molarity, molality, normality, ppm, percentage and the like.</span>
For a fish to be buoyant, or float, it must displace less water or the same amount of water as its own body mass. ... Many fish use swim bladders to help them with quick depth changes. These bladders fill with air to help fish rise or release air so fish can sink, often in conjunction with forward movement.
The answer here is , A. Thermal energy
the top one is correct i thinkTHE BRAINLIEST ANSWER!
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C. ^3 sqrt 4x^2
I'm not sure how to do this but the online assignment I just did says this is the correct answer.
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The answer is B. fight disease
