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AnnZ [28]
3 years ago
15

Make a claim about whether the sun's rays are mechanical or electromagnetic waves. Summarize evidence to support this claim and

explain your reasoning.
Biology
1 answer:
Nataly [62]3 years ago
4 0

Answer:

Se explanation

Explanation:

Mechanical waves are waves that require a material medium for propagation e.g sound waves and waves on a spiral spring.

Electromagnetic waves do not require a material medium for propagation. They can travel through space.

The light and heat of the sun are far away in outer space yet they reach us on earth. There is no intervening medium between the earth and the sun that conducts its rays to the earth. As a result of this, we can conclude that the rays from the sun are electromagnetic waves.

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Assessing biodiversity:
Helen [10]

Answer:

The correct answer will be option-A

Explanation:

Biodiversity refers to the diversity of the biological entities present in an ecosystem. Biodiversity has a wide spectrum which not only includes the number of the diversity of the organism but also the interaction between them.

The biodiversity is assessed to study the changes that are taking place in an ecosystem, to study the causes and how the changes affect the human well being.

The assessment decisions ignore the personal interests and the biasness as the aim of the approach is not fulfil the personal needs but to maintain sustainable management of the ecosystem.

Thus, option-A is the correct answer.

8 0
3 years ago
Which of the following is a molecule?<br> A. Argon<br> B. Water<br> C. Nitrogen<br> D. Uranium
san4es73 [151]

Answer:

Argon- a chemical element

Water- polar molecule

Nitrogen- chemical compound

Uranium- chemical element

Hope this helps! :)

Please give brainliest

:)

Explanation:

In conclusion B. water is a molecule

3 0
3 years ago
A bacteria called E. coli is found in different kinds of foods, including beef. Thoroughly cooking beef can help prevent infecti
svet-max [94.6K]

Answer:

The conclusion drawn from this information is:

The beef cooked well will not have a chance of having E coli or effecting anyone with it, because the bacteria will die from extreme heat.

8 0
4 years ago
Read 2 more answers
Why do scientist use models
Maurinko [17]

Explanation:

A model is used to help scientists visualise things that they cannot actually see. It can be thought of as a thinking tool, to help form explanations. Models are useful simplifications to aid understanding. ... It can then be used to explain further phenomena and to make predictions of future behaviour.

5 0
3 years ago
Mantle plumes are areas of hot, upwelling mantle and hot spots develops above these plumes as noted in the map above. Magma gene
harkovskaia [24]
The answer is C) extrusive igneous. This rock starts as magma, so you know it must be a type of igneous<span> rock. The question tells you that the rock forms when it is cooled by the water, so you know it is formed outside of the Earth's interior, therefore making it extrusive igneous rock. </span>
5 0
4 years ago
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