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saul85 [17]
3 years ago
8

What is combustion?what are the essential conditions required for combustion?​

Biology
2 answers:
Sophie [7]3 years ago
8 0

Answer:

The process of burning something. Three things are required in proper combination before ignition and combustion can take place---Heat, Oxygen and Fuel.

Explanation:

USPshnik [31]3 years ago
6 0

Answer: ➢ Combustion

Combustion is the process by which oxygen reacts with a fuel and releases heat

energy.

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Warm-Up
bija089 [108]

Answer:

<u>Renewable Resources</u>

water

wind

geothermal energy

solar energy

<u>Nonrenewable resources</u>

minerals

fossil fuels

Hope this helps you

7 0
3 years ago
Self-heating cans use the concept of an interior heating vessel that is able to warm up food. The diagram below shows a model of
vovangra [49]

Answer:

C.

It is able to regulate the flow of the calcium oxide and water into the food to make it warm.

Explanation:

8 0
3 years ago
Read 2 more answers
Choose the definition of: Invertebrates
yanalaym [24]
Without backbone or having no backbone is considered as INVERTEBRATES.

hope its help...

--kcirejay:♥)
5 0
4 years ago
Read 2 more answers
A hurricane forms when a
irina1246 [14]

Answer:

D.

Explanation:

it's a hurricane tropical depression is a storm that turns into a hurricane

6 0
3 years ago
Read 2 more answers
HAPPY NEW YEARS !!! CAN SOMEONE PLEASEEEE HELP ME WITH THIS SCIENCE QUESTION I WILL MARK YOU BRAINLIEST !!!
sp2606 [1]

Answer:

According to the image shown, the country that most closely resembles the population pyramid by age is the United States (option A).

Explanation:

The population pyramid consists of a bar chart that groups the population by age and sex. Each sex is separated into two columns, while from the base to the top the ages are grouped from lowest to highest.

The pyramid by age shown in the image corresponds to a developed country, such as the United States, since the distribution of the population of infants and young people is proportional, being more acute in the advanced ages, acquiring the shape of a bottle.

The "bottle" shape of the population pyramid indicates a controlled birth rate, as well as good availability of basic and sanitary resources, characteristic of a developed country like the United States.

The other options are not correct because:

<em>     C and D. In developing countries such as </em><u><em>Nigeria and Ethiopia</em></u><em>, the birth rate is high - forming a broad base - and the resources available are limited, so there is a progressive decrease as the age groups are distributed, giving a true pyramid shape. </em>

<em>     B. </em><u><em>Italy</em></u><em>, a European country, has a tendency to rhomboidal population pyramids. This is due to a predominance of adult, young and mature, population, low birth rate, good basic and sanitary resources.</em>

6 0
3 years ago
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