What feature of a disease classifies it as a prion disease?

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

Which of the following best describes the relationship between glucose and complex molecules such as hormones?

Other than earth, is also known to have magnetic pole reversal? a: venus b: mars c: earths moon d: the sun