What may occur when the burning of fossil fuels releases gaseous nitrogen oxides and sulfur dioxide into the atmosphere

What is the ima of the 1 st class lever in the graphic given? 2 3 0.5

How do you identify the anode on a power source such as a battery? how do you identify the cathode? how are terms anion and cation?

Gusing the milligrams of ascorbic acid you entered above, the ratio of total sample volume to aliquot volume, and the total milligrams of the vitamin c tablet that you dissolved, calculate the mass of ascorbic acid in the vitamin c tablet for each trial. do this by scaling up to find the amount (mg) of ascorbic acid in your 250 ml flask. enter your calculated mass of ascorbic acid in the vitamin c tablet, for each trial. be sure to enter your calculated mass in the corresponding order that you entered your milligrams of ascorbic acid. the milligrams of ascorbic acid you entered for entry #1 previously should correspond to the mass of ascorbic acid that you enter for entry #1 here.