Aa is lava that forms a thick ,brittle crust . Pahoehoe is a lava that
forms a thin crust. Pillow lava forms when lava erupts underwater.
Blocky lava is kool, stiff lava that does not travel far from thr
eruption site.
<span>Carbon dioxide, water vapor, and nitrogen are the gases that form up most of the earth's percentage.</span>
A is on the 1600 contour line so it's 1600.
B. Y is on 1240
C. 360
