Bee's help the plants by pollinating them. Which also gives me allergies.
Hydrogen bonds form and holdl the DNA together
Cells that protect the body by engulfing foreign cells or producing antibodies are D. White blood cells.
The answer is Proteins
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<h2> Ecological Footprint</h2>
The ecological footprint is an indicator that accounts for human demand on global biological resources. If a person observed his ecological footprint, there will be less environmental problems like carbon emissions, lack of fresh air, global warming and increased environmental pollution would be reduced.
<h3>Impact of ecological footprint</h3>
One of the four categories of ecological footprint can serve as an environmental indicator because the category causes impact on the environment which leads to change in the environment so we can conclude that the category of ecological footprint can serve as an environmental indicator.
Learn more about environment here: brainly.com/question/17413226
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