Could someone help me out with these practice problems. would help alot.

1. The unit discusses the ways international competition has challenged the American lumber market. What kind of changes in the global market could benefit the American industry? 2. If you had to choose a type of wood for a rocking chair for a front porch, what kind of wood would you choose and why? 3. How did the development of engines help the timber industry? 4. The unit discusses harvesting trees that are submerged in water. How do you think their being in water will change how the timber can be used? 5. Why is it important that those developing forestry equipment understand forestry as well as mechanics