A snail traveled 1.2ˍm at a speed of 0.21ˍm/s. The snail completed this journey in how many seconds?

Iron reacts with sulfur to form iron sulfide. if 60 grams of iron reacts with sulfur to produce 90 grams of iron sulfide, how much sulfur has been used in the chemical reaction?

Lymphocytes known as blastocysts make antibodies that fight infection. select the best answer from the choices provided t f

Which is the best predictor of the radioactive nature of an isotope? o the proton-to-electron ratio the neutron-to-proton ratio o the neutron-to-electron ratio the electron-to-proton ratio