Will mark ! !

the materials below the crust:

are less dense and softer
are more dense but softer
are lighter in weight
more compact but harder

What would happen to the tides if there was no moon and no sun in the sky?

Who gave the famous "i have a dream" speech at the march on washington?

Give a brief summary/define the holocaust - who was behind it, how it began, what was the goal, and where did it take place? (8-10 sentences). be sure to include at least 2 pictures or a timeline