The central latitudinal line is the a. Prime Meridian; Tropic of Capricorn
b. Prime Meridian; Equator
and the central longitudinal line is the
C. Equator; Prime Meridian
d. Equator; Tropic of Cancer
Please select the best answer from the choices provided

Asample of radium-226 will decay 1/4 of its original amount after 3200years. what is the half-life of radium-226?

16. in a reaction that has reached equilibrium, a. the forward and reverse reactions are occurring at the same rate. b. the reactants and products are in equal concentrations. c. the forward reaction has gone further than the reverse reaction. d. there are equal numbers of atoms on both sides of the equation. e. a, b, and d are correct.

Which of the following is most likely true about water in chemical solutions?