A wave traveling at 230 m/sec has a wavelength of 2.1 meters. What is the frequency of this wave?

idk

explanation:

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the role of the microscope world in creating new materials .

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.