Complete the sentence: One disadvantage of hydroelectric power is that the electricity used to pump water may have come fromfuel sources.
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'fossil' fuel sources

Explanation:

disadvantages include global warming, climate change and pollution

fossil fuels

Explanation:

fossil fuels can lead to ozone layer degeneration

this protocol provides a detailed procedure for total protein extraction for western blot analysis from achieved samples following trizol isolation of rna.

thrombocytopenia, which is a deficiency in blood platelets, can cause bleeding and bruising in the dermis similar to senile purpura. other possible causes include: exposure to ultraviolet rays and aging skin are common causes of senile purpura. senile purpura may also be a sign of collagen loss in the skin and bones.