What is always true about the total amount of O2 and CO2 in the test tube?

Use the drop-down menus to answer each question. which runner finished the 100 m race in the least amount of time? which runner stopped running for a few seconds during the race? at what distance did anastasia overtake chloe in the race?

How many atoms are there in 5.70 mol of mg

What produces wave a)sound b) heats c)transfer of energy d)vibrations