Which statement is true about the universe? it has a total of a hundred billion galaxies. it is present within the milky way galaxy. it is present within the solar system. it is classified based on its shape.

What was the land like over 500 million years ago? what was under the sea?

How does upwelling affect coastal fisheries? upwelling damages nutrient supplies at coastal fisheries as the warm, nutrient-rich surface water is replaced by nutrient-poor, cold water. upwelling damages nutrient supplies at coastal fisheries as the cold, nutrient-rich surface water is replaced by nutrient-poor, warm water. upwelling improves the nutrient supply at coastal fisheries as the warm, nutrient-rich surface water replaces the nutrient-poor, cold water. upwelling improves the nutrient supply at coastal fisheries as cold, nutrient-rich water replaces the warm, nutrient-poor surface water.

Isolated volcanic peaks on the ocean floor are