B. It encouraged exploration for a new trade route
B Climates are often created by rain shadow effects. Rain shadows form when prevailing winds that carry moisture rise up against mountainsides and they condense and fall as rain or snow at the top. It loses most of its moisture at this point and when the dried up air is blown down the mountain, there is an increase in temperature. This brings warm and dry air which continue to pull out moisture from the flat lands.
Weakened rock on steep slopes that suddenly gives away and falls down is an example of : A. The impact of Gravity.
Gravity will always caused forces that pulled the rock down. Eventually, the rock on steep slopes will be weakened and pulled by the Gravity
hope this helps
Answer: The asphalt remains intact but is covered with logs and dead tree branches.
Explanation: Because since the asphalt was abandoned it wasn't used so it can't be worn out by car tires.
They form only above snowlines at higher altitudes where so cold and dry snow doesn't melt and accumulates.