QUESTION IMAGE
Question
aim: how does climate affect landscape development?
humid climate
- amount of precipitation - high
- areas with strong chemical weathering.
- landscape with smooth, rounded surface features.
arid climate
- amount of precipitation - low
- areas with very slight weathering.
- landscape with sharp, angular surface features.
checkpoint:
the table below shows the general climate conditions of four locations, a, b, c, and d.
| location | annual temperature range (°c) | annual precipitation (cm) |
|---|---|---|
| b | -15 to 4 | 70 |
| c | 0 to 16 | 50 |
| d | 10 to 28 | 165 |
- based on these climate conditions, which location is chemical weathering probably the greatest? why?
- based on these climate conditions, which location is chemical weathering probably the lowest? why?
- chemical weathering will occur most rapidly when rocks are exposed to the
a. hydrosphere and lithosphere
b. mesosphere and thermosphere
c. hydrosphere and atmosphere
d. lithosphere and atmosphere
- which change in climate would most likely cause the greatest increase in chemical weathering of local bedrock?
a. lower temperature in winter
b. lower humidity in winter
c. higher atmospheric pressure in summer
d. greater precipitation in summer
Step1: Recall chemical - weathering factors
Chemical weathering is enhanced by higher temperatures and more precipitation.
Step2: Analyze location D
Location D has a temperature range of 10 - 28°C and 165 cm of annual precipitation. Higher temperature and high precipitation promote chemical weathering.
Step3: Analyze location B
Location B has a temperature range of - 15 - 4°C and 70 cm of annual precipitation. Lower temperature and less precipitation slow down chemical weathering.
Step4: Answer question 3
Chemical weathering occurs when rocks in the lithosphere interact with substances in the atmosphere. So the answer is D.
Step5: Answer question 4
Greater precipitation in summer provides more water for chemical reactions, increasing chemical weathering. So the answer is D.
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- Location D; because it has a relatively high - temperature range and the highest annual precipitation among the four locations, which are favorable for chemical weathering.
- Location B; because it has a relatively low - temperature range and lower annual precipitation, which are less favorable for chemical weathering.
- D. lithosphere and atmosphere
- D. greater precipitation in summer