<span>Sandstone
is a clastic sedimentary rock. A clastic sedimentary rock is composed of silicate
minerals and rock fragments. They are transported by moving fluids such as
sedimentation due to gravity and are deposited in the area where it stays. They
are composed mostly of feldspar, quartz, rock (lithic) fragments, clay minerals
and mica.</span>
Answer:
oxygen is released and carbon dioxide is sucked in
Explanation:
The war stemmed from ethnic differences which is B. The war in Rwanda occurred in 1994 and it was between two ethnic groups which are the Hutu and Tutsi. Hope that helped. Have a nice day
Answer:
A. Study past human societies, focusing mostly on their material remains
Explanation:
Archaeologists help understand the human societies that once existed.
The only way they can do this, is by analyzing the remains of the materials that existed from those periods or times. Proper analysis can give them a clear view of the history if human activities around a particular place.
The option A bests suits the functions of archaeologists.
The option B does not fit in because archaeologists do not focus primarily on the study of <em>language change</em>, rather everything about the society ranging from religion, to politics and to military system.
The option C is too shabby compared to A, as archaeologists are not just <em>treasure collectors</em>. They are researchers who collect the items for study purposes. Most times, the items collected end up in labs not museums.
The option D does not fit in because Archaeologists do not study primate evolution, rather, <em>human societies</em>