Answer: Old shells, or pieces of old shells, pressed together because limestone is made from bones that are parts of the skeleton that got squished together.
Explanation:
honestly i dunno what to do with this...
Answer:
c. fossils
Explanation:
Fossils are the remains of dead and decayed organisms that are preserved in rocks. Fossils can be preserved using their hard parts, or the products of their activities can remain still for several years.
Fossil are used for relative age dating of rocks. According to the principle of fossil and fauna succession, it is scientifically correct to correlate areas with the same fossil record because fossils succeed on another in a definite order. All rocks that exists in that time period will contain the organisms that lived during that period in time.
The apertheid is a policy that governed relations between South Africa's white minority and nonwhite majority and sanctioned racial segregation and political and economic discrimination. Hope this helps. Have a nice day. Feel free to ask more questions.
it formed a moon for earth half of the earth came off and now it is considered our moon
Well, knowing geography will help you avoid earthquake, tornado and volcano areas.
Geography also helps you find good areas for oil or if your a mineral hunter.