impression left by organisms are filled in with sediment
Explaination: Cast fossils are produced when an organism decays and is buried between layers of mud and silt. The mud and silt from nearby what is left of the organism and gradually hardens and converts into sedimentary rock. The buried organism decays and the hardened rock leaves an impression where the organism once was. Finally, mineral-enriched groundwater fills in the mold and solidifies to form a cast fossil
To deplete freshwater consumption of the water must be greater than the renewal rate. If the precipitation collected it does not mean it depleted, it can be still used later on.
No, The magnetic north shifts overtime due to the rotation of liquid iron in the earth! So your answer would be No they are not always the same distance apart! Hope this helps :)
It is a book written by Galileo Galilei comparing the Nicolaus Copernicus, published in 1632 aa his dialogue if the two chief world systems.
As in the Copernican system of the universe the earth and the other planets orbit around the sun and while in the Ptolemaic system all orbited around the earth. Simplicio which is a dedicated follower of Ptolemy and Aristotle then presented his traditional simple views.
Being a geocentric philosopher he opposed the heliocentric which proposed the sun in the center.
