True or false? Today people with very short sight can wear glasses with thinner lenses because the lenses do not need to be so powerful

Whay is the following best defines climate

Some mining processes involve removal of large areas of earths surface in the mined region this practice causes severe environmental damage by allowing which natural process to accelerate in the affected areas? a.precipitation b.erosion c.migration d.condensation

Idon’t know the answer and i’ve been stuck on it for a while now skskskskks