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Maurinko [17]
3 years ago
13

Which of these choices is a direct cost of using coal?

Biology
2 answers:
NISA [10]3 years ago
6 0

The correct answer is B.Cost of maintaining a power plant.

The cost of using a coal is $330 in America.

Some of the external problems which are being caused by burning coal for electricity include toxic coal waste, air pollution, damage to the ecosystem, and water pollution.

Coal is used in machines to convert heat energy and it is responsible for energy demands and electricity.

Brut [27]3 years ago
3 0

The answer is B. Cost of maintaining a power plant

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Tendon sheaths ________. Tendon sheaths ________. are lined with dense irregular connective tissue help anchor the tendon to the
leonid [27]

Answer:

Tendon sheaths <u>act as friction-reducing structures.</u>

Explanation:

Tendon sheaths are fibrous tissue that is around tendons to protect and make the movements of these smoother. For example, they reduce the friction of the flexors and extensors tendons of the hand. These are tendons that we constantly use to open and close our hands when we want to grab objects. Without the sheath, the tendons will not move easily, and due to the excessive use, there can be inflammation.

The sheats have two layers, one internal, which is a synovial one that produces synovial fluid to lubricate the tendon, and the external, which is a fibrous layer.

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3 years ago
How are scientists able to use fossils of extinct organisms as evidence?
nikdorinn [45]

The answer is; C

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3 years ago
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Sliva [168]

Answer:

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Explanation:

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valentinak56 [21]

Answer:

for number one i got ☐ It involves the modification of DNA

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