A beam of light passes though a liquid in a test tube without scattering. Which type of mixture is most likely in the test tube?

The mass of a neutron is equal to the mass of a proton plus the mass of an electron. true or false false true

Pegmatites are igneous rocks in which the individual minerals are very large. typically, the minerals are all light-colored quartz, feldspar and muscovite. if you were given a black and white photograph of a pegmatite in a quarry (where the rock has been blasted and broken), what physical properties could you use to identify those three minerals in this hypothetical photo? describe each mineral and the specific diagnostic properties. be specific.

What is the most common form of matter in the universe