Basically, the higher you get in the atmosphere, the less dense it gets.
It's the exosphere.
troposphere
canopy
320,000 ft above sea leavel
The C and R horizon
The core!
Pumice is a porous rock and slat is not. Pumice floats in water because of the air pockets in the rock. Slate is a layer of rock that is tightly packed, or is very "dense".
It is neither. The densest layer is the inner core. The least dense layer is the crust.
The Exosphere.
The core is the most dense layer
No. It is the most dense.
The atmosphere.
Thermospehere
The highest.
i think the crust
No. The atmosphere is the least dense layer. The densest layer is the inner core.
The Earth's Crust.
Thermospehere
Hmm... let me see. Hey, Mom, what's the answer? Oh, that's right. The Exosphere is the answer to this question.