The velocity of a stream usually increases downstream. The gradient (slope) of the stream typically decreases but gravity, elimination of bed roughness and an increase in the amount of water from the entry of tributaries tends to increase the velocity.
Answer:
D) heat.
Explanation:
"Thermal", as defined by Oxford Languages, is <em>relating to heat</em>. In the case of thermal energy therefore, it is simply referring to <em>how energy would react to either the heat, or the lack thereof.</em>
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Learn more on thermal energy, here:
brainly.com/question/11278589 - Relations of thermal energy with internal energy.
They'll have freckles because the dominant trait always overpowers the recessive trait if it's present.
The answer is the second choice: variation, overpopulation, adaptation
Using your reflexes can prevent you from getting hurt in the first place.