Answer: A. the variable that is changed on purpose in an experiment.
It is endothermic reaction ΔH>0 (sign is +).
Because it is spontaneous reaction ΔG<span><0 (Gibbs free energy)
</span>ΔG=ΔH-TΔS, so must be TΔS>ΔH and ΔS<span>>0 (sign +).</span>
Answer:
it will float back up because it's not dense enough to go down
Answer:
Volcanoes change the earth's surface by allowing molten rock, or magma, to escape the earth and create rock formations or mountains.
Explanation:
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