An ice sheet 5m thick covers a lake that is 20m deep. what is the temperature of the water at bottom of the lake. explain your answer

List one type of erosion and describe how it happens?

When many atoms are split in a chain reaction, a large explosion occurs. this is an example of what type of energy conservation

The discovery that the universe appears to be expanding led to a widely accepted theory called a.) the big bang theory b.) the doppler effect c.) hubble’s law d.) solar nebular theory e.) the seyfert theory