Answer:
The temperature remains constant. after the change occurs and temp remains the same
Explanation:
Remains constant because the phase change is absorbing the energy, after the phase change occurs it is then increasing in temperature again.
The answer is "A. a pure substance can be separated by chemical means, while a mixture can be separated by physical means". A pure substance only has one type of substance, whereas a mixture has more than one. A pure substance therefore, can only be separated chemically, because it is not two things mixed together, whereas a mixture can be separated physically because there are multiple substances.
I would choose organ system
Answer:
solid : it has molecules tightly packed
liquid : it has molecules loosely packed
gas : it has molecules very far from each other
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