Which occurrences do the greenhouse effect contribute to

1 answer:

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Most climate scientists agree the main cause of the current global warming trend is human expansion of the "greenhouse effect" — warming that results when the atmosphere traps heat radiating from Earth toward space. Certain gases in the atmosphere block heat from escaping. HOPE THAT HELPS

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4. In the fermentation activity, how will you determine if the yeast is performing fermentation?

Scrat [10]

Answer:

Without oxygen present, fermentation occurs. The product of fermentation is a smaller amount of ATP and alcohol (ethanol is a form of alcohol). You can see the products in the graph of sample B. Sample B was not given oxygen (anaerobic) and therefore performed fermentation.

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3 years ago

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In this ecosystem, pollution and human activities have caused a rapid decrease in the population of eagles. At the same time, a

seropon [69]

The question is incomplete as it does not have the attached figure and the options which are:

A.) The population of frogs will decrease because of increased predation by snakes.

B.) The population of storks will increase because of decreased competition with eagles.

C.) The population of gnats will decrease because of a decrease in the amount of grass available.

D.) The population of grass will decrease because of increased predation by rabbits.

E.) The population of snakes will increase because of decreased predation by eagles.

Answer:

Option-A and E

Explanation:

In the given question, a structure of a complex food web has been provided in which the organism present at the different trophic level are affected by different factors including-

1. The population of Eagles (top consumer) has decreased due to human activities. Since the number of eagles has declined therefore the number of organisms on which it feeds will increase (snakes in the given question) due to no predation.

2. The population of rabbits (primary consumer) has decreased due to a virus. Since the number of rabbits will decline therefore the snakes will now shift eat more frogs and therefore the number of frogs will decline.

Thus, the selected options are correct.