Answer:
Inside the air sacs, oxygen moves across paper-thin walls to tiny blood vessels called capillaries and into your blood. A protein called haemoglobin in the red blood cells then carries the oxygen around your body.
Explanation:
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D) genes and environment is the answer
Answer:
<em>The willingness of a consumer to pay depends on the </em>
- <em>preference of customers</em>
- <em> income</em>
- <em> price of related goods</em>
Explanation:
A consumer will be more willing to pay for a product which he prefers. His preference might be any brand or any authentic ability that must be present in the product.
The income of the consumers also depicts the willingness for a consumer to pay for a product. While buying anything, consumers do have to look for the planned budget for the product as he cannot buy anything beyond his resources.
While buying a product, the consumer might also look for the prices of the related products in the market and choose the product which is reliable for him.
The correct answer is C. Geothermal energy is easily accessible in all regions of the world.
Explanation
Geothermal energy is a type of energy that is obtained from the interior heat of the earth, which is manifested through hot springs or geysers, for this reason, it is considered a renewable energy source since the internal layers of the earth are always at high temperatures. Human has managed to develop ways to use the water vapor generated by hot springs to transform it into energy and thus provide electricity to cities. Therefore, the correct answer is C. Geothermal energy is easily accessible in all regions of the world.
