Where weathering of a rock takes place? a. rust b. mountain peak c. horizons d. outer surface

Your answer should be d, outer surface. =)

d. outer surface

Explanation:

Weathering is a phenomena of disintegration of the rocks or other materials into pieces or small fragments and sediments. The process of weathering takes place by physical and chemical agents.

The weathering of the rock takes place firstly on the outer surface which causes the disintegration of rock. The rock may be exposed to wind, water, temperature or chemical agents which causes change in the physical and chemical structure of the rock.

! 55 !  

write a paragraph or story to explain the transformation between potential and kinetic energy as shown in your picture or model.  

you should have at least 5 complete sentences with a main idea and supporting details.  

you must include the following words:  

potential energy

kinetic energy

mechanical energy

conservation of energy

dude, this is hard lol : ))

which three statements are true about all alloys?