How much of the earth's oxygen does algae produce? One Quarter
One third
One fifth
One half

When rutherford performed his metal foil experiment, he was surprised that most of the alpha particles

Crinoids, also known as sea lilies, appear to be sea plants but are not plants at all. crinoids are an echinoderm species which uses anchoring structures called holdfasts to attach themselves to the sea floor. crinoids were most abundant in pennsylvania during the mississippian period, which ranged from 375 to 320 million years ago. fossils of the crinoids shows that during most of this time pennsylvania was that provided favorable conditions for crinoid growth. a) glacial terrain b) a dry and sandy plain c) mostly mountain ranges d) covered by warm, shallow seas

How were royal colonies different from corporate colonies? what was the king's privy council? what role did it play in the house of burgesses? what led to the creation of the rhode island colony? how was the colony governed?