Which sentence best explains how a positive feedback loop affects climate change

Option A

Explanation:

The options for the question are -

A. As climate warms, CO2 increases because plants remove less of it.

B. High precipitation results in increased plant growth, lowering CO2.

C. As the number of plants increases, the amount of CO2 increases.

D. High clouds have a high albedo and reflect solar energy back into space.

Solution -

Feedback loop is defined as climatic changes  that either increase or decreases the evironmental heat  

A positive feedback loop is something that enhances the temperature of Earth while negative feedback loop decreases the temperature.  

Here, option A is correct

It is so because the overall impact of climate warming which in turn reduces CO2 removal by plant is the further warming of earth and hence, it eventually increases the earth’s temperature.  

Option A is correct

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explanation:

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enzyme active site and substrate specificity

enzymes bind with chemical reactants called substrates. there may be one or more substrates for each type of enzyme, depending on the particular chemical reaction. in some reactions, a single-reactant substrate is broken down into multiple products