Which of the following would be the best thing to do to reverse the impact humans have had on the enviroment? A. Change the way we approch science

B. Stop growing as a population

C. Change our resource use habits

D. Stop using technology

Which one is the right one? think 40 points for answer : )

Look at the reaction below: ca(hco3)2 --> caco3 + co2 + h2o first, balance the reaction. once balanced, use dimensional analysis or another method to find out how many moles of carbon dioxide will be produced if we start with 16.5 moles of calcium bicarbonate (calcium hydrogen carbonate). = mol of co2 number needs to be reported to three significant figures.

100mg magnesium reacts with 20ml of 1.0m hcl

If equal masses of the listed metals were collected , which would have a greatest volume ? a. aluminum 2.70,b.zinc7.14,c.copper 8.92,d.lead 11.34