Answer:
E. Variations in Earth's orbit occur gradually over 100,000 years.
It has warmed roughly 1.33°F.
The correct option is C.
When a dog is afraid, its ears are usually pinned back to the head. A dog showing aggression will pulled its ear up and forward.
Other signs that a dog shows when it is afraid include: lowering of the head, wrinkling of the nose, curled lips that show many teeth, tucked tail, panting, etc.
Signs show by an aggressive dog include: head held high, curled lips only show the front teeth, tail is upright and stiff, no panting, etc.
I am thinking the rock that forms from lava that cools quickly is D) Obsidian.
