Doctors often use an electrocardiogram (EKG) reading to see if there is something wrong with how a person’s heart is beating. An EKG is a type of graph that “draws” the pumping activity of the heart. Make a claim about how graphing the heartbeat might help a doctor tell if there is a problem.

Can someone me with 6 to 10 plz this is for masteries test.

Fossil fuels are organic compounds that are made from

4. propanol and isopropanol are isomers. this means that they have a) the same molecular formula but different chemical properties. b) different molecular formulas but the same chemical properties. c) the same molecular formula and the same chemical properties. d) the same molecular formula but represent different states of the compound