When light shines onto a mirror, how are the angle of incidence and angle of reflection related? a. the angle of reflection is usually larger. b. if the mirror is concave, then the angle of reflection is larger. otherwise, the angle of incidence is larger. c. the angle of incidence is usually larger. d. they are always equal.

i think it's c

metamorphism is the change of minerals or geologic texture (distinct arrangement of minerals) in pre-existing rocks (protoliths), without the protolith melting into liquid magma (a solid-state change). the change occurs primarily due to heat, pressure, and the introduction of chemically active fluids. i hoped i !

50% lit on the left side

the atomic number of magnesium is 12. its nucleus must contain 12 protons and no electrons. the atomic number of an atom is determined by the number of protons.

magnesium is an electrolyte injection commonly used to treat low magnesium levels in your blood. it is also used to prevent or control seizures in women with preeclampsia or eclampsia.