Answer:
What does the crust look like?
Answer:
a. human geography
Explanation:
he is studying how people move
Answer:
1. It's central location and long coastline enable many countries to pass through India's pore during their sea route
2. major ports on eastern and western coasthelp in import and export of goods from india developing its trade
3. it can also be used to harness wind power
Answer:
Chemical weathering changes the soil pH and affects the crops that grow on them
Explanation:
Chemical weathering refers to the breaking down of rocks through chemical reactions.
Whenever rocks which are chemically active come in contact with acidic rain, they react to form new compounds. These new compounds formed usually have different properties from their parent rocks.
As a result of chemical weathering, changes in the soil properties can occur such as its pH. These changes will affect the nutrients which can be found in them, thus affecting farming practices on such soil.
Simple, we weren't around during that time, so we made theories and conclusions to when life evolved on earth.