This is due today and I have no idea how to answer them. Sorry it’s a lot, please help me with a few if you know them. Thank youuu

Which of these properties, used alone, would be least useful in identifying most minerals? a. color b. luster c. streak d. density

What is the ima of the 1 st class lever in the graphic given? 2 3 0.5

Which of the following did jj thompson discover about atoms? a)an atom has an internal structure. b) atoms are tiny indivisible particles. c)electrons orbit the nucleus of an atom. d) the nucleus of an atom contains protons and neutrons.