“Guides protect the park and make sure that the land and animals remain safe,” is the sentence Maria should use. It helps to explain what guides are for.
About 6,271 people had viewed the video once it had been online for 20 days. The correct option is C.
<h3>What is exponential equation?</h3>
Exponential equation is the equation in which the exponent or part of exponents used as variables.

where, x is the number of days, given that x = 20
Putting the values in the equation

Thus, the correct option is C, 6,271.
Learn more about exponential equation
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Answer:
The united states is considered to have a high standard of living because brainly.
Explanation:
Answer:
Explanation:
Elion and her colleagues were responsible for developing important drugs.