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Andru [333]
3 years ago
6

Some scientists claim that humans are responsible for the increase of CO2 in the atmosphere. Evaluate which system the increased

CO2 levels are likely to affect, and predict the effects of increasing atmospheric CO2 on natural and agricultural ecosystems.
Biology
1 answer:
forsale [732]3 years ago
3 0

Yes, human activities are a significant cause of the increase in the amount of Carbon dioxide in the atmosphere.

<h3><u>Explanation:</u></h3>

The increasing amount of CO_2 is a big problem in today's world for the atmosphere. Human activities are playing a vital role in the rise in CO_2. Carbon emission is majorly happening because of pollution. The pollution by vehicle, wax factories, chemical factories, etc. also, some other kinds of Carbon emission activities are there like burning coal and plastic produces Carbon in very high amount and this Carbon directly mix into the atmosphere.

Due to the increase in CO_2, both natural and agricultural ecosystems are suffering. CO_2 causes air pollution, and because of that, the quality of crops is declining day by day. Also, the natural vegetation is struggling as the rainwater is also not pure; the amount of acidic content in natural rain is increasing per year. All these activities are leading towards global warming, which one day will bring our earth to an end. So it is imperative to take some severe legal measures to save the environment and decline the amount of CO_2 producing.

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Answer: Genetic drift may result in the loss of some alleles (including beneficial ones) and the fixation, or rise to 100% frequency, of other alleles.Once it begins, genetic drift will continue until the involved allele is either lost by a population or is the only allele present at a particular gene locus within a population. ... Genetic drift can result in the loss of rare alleles, and can decrease the size of the gene pool.

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6 0
3 years ago
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A controlled experiment___. A. Includes one group for which the scientist controls all variables. B. Includes at least two group
notsponge [240]

Answer:

The correct answer is:

Includes at least two groups, one of which does not receive the experimental treatment. (B)

Explanation:

A controlled experiment is made up of at least two groups of participants (subjects). One group (the test group) receives the experimental treatment, which can be an intervention or a new drug to be tested etc, and the effect of the treatment on the subjects is measured, while the second group of similar subjects also known as the control group acts as a baseline and do not receive the treatment or intervention. They act as a baseline to ensure that the change observed in the treatment group was brought about as a result of the treatment.

<em>Note that repeating the experiment several times does not ensure accuracy of the result, rather it ensures reliability of the results hence option D is not correct</em>

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3 years ago
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Answer:

One change to Earth's surface can result in changes to other Earth systems.

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* atmosphere gets hotter - temperature of the sea surface rises - bigger cyclone activity.

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