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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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Compare the structure and function of the human body system to a nonliving system
CaHeK987 [17]
The human body has living cells that interact with other living cells (Food) and inorganic cells (Salt, Oxygen). It also has a lot of chemical reactions that simultaniously happen inside of it.
Inorganic systems usually do not interact with themselves, and the reactions are mostly exterior.

6 0
3 years ago
Why are insertion and deletion mutations so harmful?
Marta_Voda [28]

the insertion on removal of mutations are dangerous in nature.  the process is basically just one large gamble to see what it does. and even though we have a decent understanding of the genomes of many animals and plants, we still dont know everything. so if we tamper with certain genes we may cause a evolution or we might kill the subject and the potential for it to procreate.

3 0
3 years ago
Horses and zebras can be bred to produce a zorse, which is sterile. Which is most likely the reason zebras and horses are consid
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The fact that they can breed but cannot produce fertile offspring shows that they are different species. T<span>hey may have different characteristics which means they cannot breed </span>successfully, too.

I hope this helps! :-)
xo Leafling
6 0
4 years ago
Which is a difference between the Paleozoic and Mesozoic era?
solniwko [45]

Answer:

the animals

Explanation:

the difference between animal life in the Mesozoic Era and the early Cenozoic Era is that in the Mesozoic Era the reptiles were dominate and in the Cenozoic Era the mammals were dominate.

7 0
4 years ago
In noncyclic photophosphorylation, O2 is released from
jonny [76]

The correct answer is: B) H2O

Non-cyclic photophosphorylation is a light reaction and it occurs in the thylakoid membrane and it involves two different chlorophyll photosystem.

Non-cyclic photophosphorylation is a reaction where a water molecule is broken down into 2H+ + 1/2 O2 + 2e− . This process is called photolysis. The  2H+ and 1/2O2 from the water are left out for further use, while two electrons are kept in photosystem II.

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