How did Albert Einstein explain the photoelectric effect? A) light is made of atoms
B) light is made of photons
C) light is made of electricity
D) light is made of electrons

Which phrase best describes the rock's texture? 1.jagged grains 2.coarse grains 3.rounded grains 4.non-banded grains

Which statement describes james chadwick’s discovery.

Which statement correctly identifies the scientific question and describes why the question is scientific? question 1 refers to the supernatural.question 2 reflects a moral or social value.question 3 refers to something that can be measured.question 4 reflects a question that can’t be observed.