What is a major cause of large algae blooms in bodies of water? A-thermal pollution from power plants
B-accumulation of chemical fertilizers
C-agricultural animal wastes
D-oil and gasoline

When new rock is added to an oceanic ridge, the magnetized strips on either side of the ridge are evidence of sea-floor spreading. this is because the rocks on the two sides of the ridge o are equal in width and in polarity are polar opposites oare magnetized vary in width but are equal in polarity

Which process is represented a.) deletion b.) nondisjunction c.) translocation d.) insertion

The earths core is made up mainly of what 2 substances? 2. like an egg, earth has a core, a layer surrounding the core, and a thin, hard outer layer. which layers of the earth match the layers of an egg?