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What part of earths surface involves both chemical and physical change?
what involves both chemical and physical change on earths surface
How does the sun affect earths physical features?
The sun is hot
What sort of energy is stored uranium?
It is chemical energy because it has been pushed up from the earths radioactive core.
What is the definition of radium?
Radium is a natural chemical element, discovered in 1898, radioactive, alkaline earths group, metal, solid, rare in the nature.
What is the change in the earths temperature?
radioactive decay
What are two ways that rocks on the earths surface are changed?
1) physical erosion. 2) chemical weathering.
What are advantages of radioactive decay?
One reason is that radioactive decay heats the earths interior
How does physical and chemical weathering combine to affect rocks?
Physical weathering breaks down rocks into smaller pieces, increasing their surface area exposed to chemical weathering processes. Chemical weathering alters the mineral composition of rocks, weakening them and making them more susceptible to further physical weathering. Together, physical and chemical weathering work to break down rocks into smaller particles and alter their composition over time.
What is formed when physical or chemical processes weather rock on or near the earths surface?
Smaller particles of rock are produced from larger particles.
Is it hot in the earths mantle?
Decay of radioactive elements in the mantle heats it.
What do changes in Earths orbit affect?
earths tempertures
How a change in the earths orbit can affect the earths climate?
earths tempertures
