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Marat540 [252]
2 years ago
11

Which fossil fuel is the most widely consumed in the United States?

Biology
1 answer:
Delvig [45]2 years ago
3 0

Answer:

Answer choice:Petroleum

Explanation:

Petroleum (crude oil and natural gas plant liquids): 28% Coal: 17.8%

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Answer:

i.   Name each of the parts labelled I, II, III, IV and V.

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I - Crown / Enamel

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III - Cement / Periodontal membrane

IV - Jaw bone / Root

V - Pulp Cavity

ii   What is the function of each of the parts labelled I and III?

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I - Protects teeth from harmful bacteria

-- Enable teeth withstand pressure of chewing

-- Cutting / chewing / protects dentine / protect pulp cavity

III - hold tooth firmly (in socket / Jaw bone)

iii  Which of the labelled parts could be affected by tooth decay?

                                   {1 mark}

V - Pulp cavity

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→ avoid having dry mouth

→ use water containing fluorides to wash teeth / mouth

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→ avoid eating too hot foods

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Explanation:

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<u>Answer:</u> The correct answer is Option C.

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Accuracy refers to the closeness of a measured value to a standard or known value.

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