Is this chemistry or something else?
Answer:
<em>suface wave</em>
Explanation:
<em>hope this helps </em>
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A change in temperature is a sign that a chemical reaction has occurred. This occurs in an endothermic reaction. An endothermic process is any process which requires or absorbs energy from its surroundings, usually in the form of heat. It may be a chemical process, such as dissolving ammonium nitrate in water, or simply the melting of ice cubes.
Hopefully im not too late :/
Answer:
Ther answerr is A only solid A.
Explanation:
The density of water is 1 g/cm3 so anything above that will sink, but as you can see solid A dosnt ev en reach one./ so It will float on water. the other two are over 1 g/cm3.
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If this answer helped mark it brainliest. :)</h2>
