Answer: A) The 'lub' sound is caused as the atrioventricular valves close.
Explanation:
USATestprep just answered it
Answer:
C. Thermal energy to electrical energy
Explanation:
Burning coal produces heat which is thermal energy
Power is electricity or electrical power
<span>Thymine Is 20% in the DNA molecule.
Hope this helps.
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Answer:
Im pretty sure the correct answer would be the way it is listed.
100 Bushes, 50 Zebras, and 10 Lions.
Explanation:
Only 10 lions because they are at the top of the food chain, and 100 bushes because they are at the bottom.
I hope this helps :)
The answer is C.
Organism, population, community, ecosystem, biosphere
