*According to the text, Earth: An Introduction to Physical Geology, can you answer the following questions: Describe four indirect effects of...

*According to the text, Earth: An Introduction to Physical Geology, can you answer the following questions:

2. Describe four indirect effects of glaciation.  Indicate whether such changes would occur in conjunction with glaciation or later.

4. Describe four types of sand dunes including their form, relationship to wind direction, and the amount of sand supply.  Explain why dune sands are so well sorted.  How would you identify ancient sandstone as being wind-blown in origin, rather than as a stream or beach deposit?