Which type of wave astronomers to determine the hottest stars?

Explanation:

In the electromagnetic spectrum are plenty of different waves that change their properties according with their length, energy, frequency. In this case, the hottest stars are the blue ones, because this means that they are spreading waves with a major frequency and, for instance, major energy, which means major hot.

a few examples of ethical concerns involving genetically engineering of humans include

-privacy of genetically tested people

- potential side effects

-long term effects

sulfur dioxide

explanation: acid rain is caused by a chemical reaction that begins when compounds like sulfur dioxide and nitrogen oxides are released into the air. these substances can rise very high into the atmosphere, where they mix and react with water, oxygen, and other chemicals to form more acidic pollutants, known as acid rain.