Humans can cause different types of environmental pollution. When household cleaners are dumped down the drain and make their way into the water supply, which type of pollution has taken place?
O air pollution
O biological pollution
O chemical pollution
O thermal pollution

How will the emission of an alpha particle affect the atomic number of an atom

An alloy contains 66 g of pure zinc. what is the percentage of zinc in the alloy? express your answer to two significant figures and include the appropriate units.

What energy conversion occurs when a sling shot is used to shoot a rock across the room? (2 points) question 2 options: 1) stored mechanical energy is converted to mechanical energy. 2) stored mechanical energy is converted to radiant energy. 3) gravitational energy is converted to radiant energy. 4) gravitational energy is converted to mechanical energy.