Answer:
Index fossils, intrustions and cross-cutting relationships.
Explanation:
The correct list of three different geologic features that help scientists determine the relative ages of rocks by their position is "index fossils, intrusions, and cross-cutting relationships".
It could cause drought and famine I believe
Answer:
A= 
bh
Explanation:
"A" is the area
"b" is the base
"h" is height
if you were asking for an example, then one would be A= · 203 · 137 = 13905.5
Answer:
1. Appalachian Mountains
2. Mississippi River
3. Andes Mountains
4. Atacama Plateau
5. Cape Fold Mountains
6. Kjolen Mountains
7. Great Himalayas (Mts)
8. Volga River
9. Scandinavian Mountains
10. Niger River
Answer:
x-20=140
x=140+20
x=160
I think this is correct answer
