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Anvisha [2.4K]
3 years ago
12

An ice cube melts in a room, this is an example of what type of energy??

Biology
2 answers:
zepelin [54]3 years ago
6 0
The right answer is B
ludmilkaskok [199]3 years ago
3 0

Answer: Thermal

Explanation: Process of elimination, no chemical reaction, or mechanical or nuclear.

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siniylev [52]

Answer:

troposphere

Explanation:

The troposphere is the temperature zone of the atmosphere where most precipitation occurs. It has a normal temperature of 0 degrees Celsius. This layer is where the majority of weather events take place. It is 10–15 kilometers thick above the Earth's surface.

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Compare and contrast meiosis 1 and meiosis 2.​
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Please answer the following questions correctly​
Oksi-84 [34.3K]

Answer:

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

                           {5 marks}

I - Crown / Enamel

II - Dentine

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?

                    {2 marks}

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

iv  State three ways by which tooth decay may be prevented.

                      {3 marks}

→ avoid using sharp-pointed objects

→ avoid having dry mouth

→ use water containing fluorides to wash teeth / mouth

→ avoid smoking

→ the teeth should be cleaned regularly after each meal / remove food particle from the teeth / flossing

→ wash the mouth vigorously after each meal

→ regular visit to the dentist

→ avoid eating too hot foods

→ avoid eating too much sugary food

→ avoid eating too cold food / taking too cold drinks

Explanation:

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2 years ago
What stomach secretion is needed to produce mature erythrocytes?
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3 years ago
Nitrogen is changed into which substances before being used by living things
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Answer:

nitrogen can be changed into macromolecules like proteins and nucleic acids (DNA and RNA)

Explanation:

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