Potassium permanganate is used for purifying drinking water, because
a. it is a sterilising agent
b. it dissolves the impurities of water
c. it is a reducing agent
d. it is an oxidising agent

Gather reliable information to brent make his decision. to gather this information, use newspapers, call insurance companies or look at their web sites, and review consumer magazines and web sites. also, look at the manufacturer web site or for information about gas mileage. list the sources you use and take notes.

An open cart is moving along a straight frictionless horizontal track. when rain starts falling vertically into the cart, what happens to the speed of the cart?

Awhite-blue star is hotter than a red star. select the best answer from the choices provided true or false