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Ierofanga [76]
2 years ago
14

The organelles in a cell to the organs in your body.

Biology
1 answer:
Pachacha [2.7K]2 years ago
6 0

Answer:

heart , liver , stomach and kidneys

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Develop an argument from evidence on how human activity can lead to ocean acidification? Further explain what we can do, as huma
Sedaia [141]

Answer

Ocean acidification results from the solubility of CO2 in oceans increasing the H+ concentrations, and depletion of bicarbonates concentrations.

Therefore, human activities which increases the concentration of CO2 in the atmosphere, will raise the atmospheric  CO2 concentration. CO2 is constantly being absorbed by green plants maintaining   its concentration through carbon cycle,Therefore massive deforestation  which removes green plants, cutting  down photosynthesis is one of human activities which  raises CO2 levels of the atmosphere.The CO2 dissolves in  the oceans to raise its acidic levels.Lower pH.

Another source is fossil fuels emissions which add more CO2 to the atmosphere.

Explanation:

7 0
3 years ago
1. Describe DDT and summarize the history of the use and banning of DDT, including actions taken by the U.S. government. State t
igomit [66]

DDT stands for  dichloro-diphenyl-trichloroethane. The first kind of synthetic/artificial insecticides came into use in the 1940s. The earlier usage of DDT include:  a) Killing of malarial vectors, b) Combatting Typhus and other insect borne human diseases, c) As a pest control in crops d) as a pest control in garden, live stock production and even at homes.  

The negative impact of DDT could be felt for the first time when the pests that were earlier killed by use of DDT have now become pesticides resistant. In the 1950s in USA, the regulatory measures were adopted to reduce the usage of DDTs as its effects as a pesticides were no more long significant and also it was creating detrimental physical and psychological impacts on the human and environment.

It was in 1972 that the U.S. Environmental Protection Agency cancelled the order for banning the usage of DDT based on the adverse impact it produced on the environment, human and other life forms. Since then continuous studies are being conducted to analyse the impact of DDTs. In some later years it was established that DDT is the cause of producing tumors in liver.  

Some of the common negative impacts produced by DDT as per the U.S. Department of Agriculture :  

a) The non destructive nature – DDT can not be destroyed and thus it remains persistent in the atmosphere

b) It attacks the tissues of living organisms especially the animals and humans  ( fatty tissue)

c) It can penetrate the atmosphere to deeper extent.

Now as per the current stuation, The use of DDT is controlled and other alternatives of pest control organisms is being deduced. As per the treaty of Stockholm Convention on POPs (Persistent organic pollutants) , usage of DDT for malarial control is justified but it puts a restrictive use of DDT as pesticides in other areas.  

4 0
3 years ago
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How are abiotic factors are impacting the biotic factors of the Norway arctic ecosystem?
nevsk [136]
The abundance of abiotic factors, like light, water, and shelter, limit the amount of biotic factors.
8 0
3 years ago
Methods of socialisation of puppies are<br><br>​
krek1111 [17]

Answer:

You should really expose your puppy to different people, places, sights, and sounds. Well-run puppy classes are a good way to socialize your pup to other dogs.

3 0
2 years ago
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Which of the following would be a valid hypothesis for a scientific
erastova [34]

Answer:

The correct option is <em><u>C. Foods that travel great distances cost less than foods bought  locally.</u></em>

Explanation:

According to the scientific method of research, it gets initiated with a scientific question. To answer that question, a hypothesis is drawn. A hypothesis is a tentative statement based on which experiments are designed to check the authenticity of the hypothesis. Based on the observations and experiments, conclusions are drawn.

In the above-mentioned question, option C is a tentative statement that can be tested. Hence, it is the correct option.

8 0
3 years ago
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