What is the process of planetary differentiation? How did this process determine the composition of Earth?
What will be an ideal response?
Earth began as a magma ocean, and it chemically differentiated into the core of iron- seeking elements, and the mantle, composed of lighter elements. Differentiation is the result of density variations, causing denser metals to sink and form the core while less dense silicates made up the mantle.
You might also like to view...
Which of the following is a disadvantage of hydropower?
a. It creates high levels of carbon dioxide emissions. b. There is a high environmental impact from flooding land to form a reservoir. c. The cost of electricity produced from hydropower is lower than electricity produced from other sources. d. It has a moderate to high net energy. e. It is largely unavailable in the United States
Which of the following processes occurs during baroclinic instability?
A. reduction of wave cyclones B. no air motion C. weak wind speed shear from the surface up to at least the 500 hPa level D. temperature advection
A stream which receives water flowing from the surrounding aquifer is known as influent, whereas a streamflow which feeds groundwater is known as effluent
Indicate whether the statement is true or false
Part complete ________ is the world's most populous nation, home to ________ of the people living on Earth.
What will be an ideal response?