Which of the following is NOT a volcanic rock? obsidian
basalt
feldspar
andesite
rhyolite

Once a woman attains puberty, her overuse mature and release one egg per ovarian cycle. which hormone stimulates this event?

Natalie had random hand movements when she was two months old. when she was six months old, she used to grab a block with her whole hand. now at the age of ten months, she can grasp the same block with her thumb and forefinger. this sequence of growth in her hand and finger movements is according to the pattern.

What the theory that the sun goes around earth was replaced with the theory that earth goes around the sun this was an exaple of a