The answer is D. Gravity.
Gravity attracts objects to the surface of the Earth. Take a falling brick, for example, the brick has more mass, therefore, there is more attraction between the brick and Gravity. The brick is a solid object and is heavier as well.
Hope this helps! :)
I know mongolia is one the chinese empire
LOADED LANGUAGE/LOADED WORDS have a strong connotation.
A.metamorphic rocks
~breif explanation~
foliated metamorphic rocks is formed under pressure which is the mountain building process
sedimentary rock is formed under compaction and lithification
igneous rocks are formed due to the occurance of volcanism
hope it helps!
