True or false
Long sounds are not harmful to humans

False

Explanation:

Long sounds are harmful to humans. The longer the sound wave, the lower the frequency and the lower the hertz. Very low hertz can be harmful to the human body.

Most long sounds aren't even able to be heard. But this doesn't mean they are not dangerous,

Take gamma rays for example, you can't see them but the effects are deadly they are at the highest end of the EM (electromagnetic) spectrum.

The human hearing range is from 20 to 20000 hertz, anything above or below that is not able to be tracked, but is still considered harmful.

Long sounds are sounds below the 20 mark, these are also could 'infrasounds'. The frequency of a bass is 27 hz, which is why when a bass is played, you can feel the sound waves moving throughout your body.

The resonant frequency of the human eyeball is about 19 hz, so anything below that could cause you to go blind.

The resonant frequency of the human body's organs is surprisingly low, 7 hz, so if a sound goes below this point, it would certainly kill you.

Thank me later :)

(or just mark brainliest because this took a REALLY long time to type)

there's the proffessional site that will you.

the correct answer is - d. china has a large and growing population.

the fact that china has a large (the biggest) population, and it is still growing, doesn't hinder the agriculture production in the country. in fact, it can for increased production in the agriculture, since there's more labor force, as well the sheer mass of people produces lots of scientists that come up with new inventions as to how to improve this sector. nice example is the inner mongolia region in china, in general dominated by the gobi desert, but few scientist came up with a nice idea as to how to make the region productive by using plants that are very resistant to droughts, so lots of people have been employed, and the region is becoming greener and greener each year, and the production of food in this region is also increasing.