a researcher wants to document the number of great white sharks that migrate near Australia over a specific period of time. Which statement describes a limitation the researcher might face?

The researchers may not be able to watch the entire area at once.

Explanation:

because!!!

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acid rain does not usually kill trees directly. instead, it is more likely to weaken the trees by damaging their leaves, limiting the nutrients available to them, or poisoning them with toxic substances slowly released from the soil. the main atmospheric pollutants that affect trees are nitrates and sulphates.