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Anni [7]
3 years ago
5

How have humans affected their environment over time?

Biology
2 answers:
love history [14]3 years ago
5 0
We have polluted it— the air, water and the ground.
Some people have tried to clean up the environment
steposvetlana [31]3 years ago
3 0

Answer:

humans impact the physical environment in many different ways

Explanation:

over population, pollution, burning fossil fuels, and deforestation.  All these changes have triggered climate change, soil erosion, poor air quality, and undrinkable water.  

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Three hydrogen bonds.
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Which reason did nat turner give for starting his rebellion?.
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Answer: Which reason did Nat Turner give for starting his rebellion? His owner, Joseph Travis, treated him terribly. Signs from God told him to. He wanted to help start the Civil War. is your answer.

Explanation: Hope this helps, have a nice day.

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2 years ago
When you eat a hamburger, you are the: decomposer producer primary consumer secondary consumer tertiary consumer?
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Tertiary consumer because you have no predators trying to eat you. You are at the top of the food web
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Which molecules most commonly used as building blocks for the synthesis of a new cell membrane
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7 0
3 years ago
9. Which is the pathway of oxygen from lungs into the body tissues?
Setler [38]

Answer:

The pathway of oxygen from lungs to the body tissues is alveoli → red blood cells → blood vessels → tissues (option b).

Explanation:

The oxygen (O₂) required by the tissues comes from the air inspired by the respiratory system. The pathway of entry of O₂ to the body and tissues is:

  1. O₂ from the air reaches the lungs.
  2. In the pulmonary alveoli, gas exchange occurs, that is, O₂ passes into the blood capillaries and is captured by the red blood cells, while CO₂ is released and passes into the alveoli to be eliminated.
  3. O₂ in the red blood cells travels through the blood vessels.
  4. The tissues receive the O₂ and a second gaseous exchange occurs at the tissue level, as they release CO₂ that will be carried to the alveoli.

Tissue oxygenation depends on the integrity of the respiratory and circulatory systems.

<em>     The other options do not show the correct order in which the oxygen travels from the alveoli to the tissues.</em>

8 0
3 years ago
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