Use the drop-down menus to classify the elements as alkali metals, alkaline earth metals, or transition metals. Nickel (Ni): Potassium (K): Cadmium (Cd): Calcium (Ca): Barium (Ba):

Acar moves at 12m/s and coasts up a hill with a uniform acceleration of -1.6m/s2. how far has it traveled after 6.0s?

What is the thinnest soap film (excluding the case of zero thickness) that appears black when illuminated with light with a wavelength of 480 ? the index of refraction of the film is 1.34, and there is air on both sides of the film. express your answer in nanometers. hint 1. how to approach th

Which component of the earth’s atmosphere is decreased due to photosynthesis?