X = 4 , so the complementary angle for 86 degrees is 4 degrees .
<span>They consist of countless small particles, ranging from μm to m in size, that orbit about </span>Saturn<span>. The </span>ring<span> particles are made almost entirely of water ice, with a trace component of rocky </span>material<span>. </span>
The mesosphere is the answer
A vast, flat,treeless arctic region of Europe,Asia,&& North America in which the subsoil is permanently frozen.
I'm pretty sure that it's A, a little higher because most of the lava runs down the sides of the volcano.