Does anyone else struggle with biology ??

Eh

Explanation:

I be confused anatomy  and stuff like that, Everything else is eh,

the effect of the ming leaders banning ships with more than two masts was that there was no further construction of ships masts, because there was a surplus. ming emperors disallowed foreign exploration

a. theta waves. this is because the person is in a light sleep which means the brain waves would show these kind of waves.