lea has just ordered a box of "universal" litmus paper. she dips one piece into vial a, and it turns green. she dips another piece into vial b, and it turns red.
which vial, a or b, contains a greater concentration of h+ ions?

Research the neutrino using the internet and report your findings. in a nuclear decay, the nucleus of an atom splits apart. larger particles can be detected and their masses and velocities can be recorded. explain how the existence and properties of the neutrino could be predicted using the conservation laws.

Explain vector addition, triangle method and parallelogram method

Which accurately compares concave and convex lenses?