Answer:
<h2>Technology will become an important thing in the science of geography, for example, satellites that can study the terrain or know what previous buildings were or even know the old geographical perception thousands of
years ago.hope you are learn </h2>
Answer:
1. earliest evidence of liquid water
2. oldest rock sample
3. first chemical signature of life
4. first cratons
5. oldest undisputed fossils
Explanation:
Earliest evidence of liquid water (4.40 Ga)
Oldest rock sample (4.03 Ga)
First chemical signature of life (3.8 Ga)
The first cratons (3.2 to 2.7 Ga)
Oldest undisputed fossils (3.2 Ga)
An ecosystem has abiotic(no living things like water and wind) and also biotic(living things) while a community is biotic things
C. Saudi Arabia is the answer.
