How does biological activity contribute to weathering?
What will be an ideal response?
Roots can break apart fractures in rock by growing deeper and "searching" for water. Burrowing animals mix up rock matter and soil and bring fresher material to the surface, where it can be broken down more readily by chemical and physical processes.
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Which of the following energy sources drives the hydrologic cycle?
A. gravity B. river flow C. internal heat energy D. wind energy E. solar energy
_______________ is soil containing frozen groundwater
Fill in the blank with correct word.
Pastoral nomads and many animals migrate to mitigate the effects of drought, a coping adaptation known as drought avoidance
a. True b. False Indicate whether the statement is true or false
Large earthquakes almost always produce new faults because the old faults tend to "heal" in the long time that separates most large earthquakes
Indicate whether the statement is true or false