first 421÷ by pi
then the answer divided by 2
you divide the answer by 2 to find the radius because the radius is half the diameter
Answer:
I think the ans is option no. B
Answer:
Clear Cutting
Pro: Financial Reasons. Clearcutting advocates argue that the method is the most efficient for both harvesting and replanting trees.
Pro: Increased Water Flow.
Con: Effects on Plant and Wildlife.
Con: Loss of Recreation Land.
Pro: Increased Farmland.
Selective Cutting
Pro: Supports more wildlife by keeping their ecosystems intact
Pro: They build up tolerance and resistance to disease and pests
Pro: Carbon dioxide that is stored by the trees will regenerate (regrow)
faster
Pro: Helps the forest grow back faster
Con: Expensive and time-consuming
Con: Some species will not regenerate (regrow) as fast
Con: More exposure to weather damage such as ice, storms, and fires
Con: Lots of stumps and other tree debris left behind
These are some things I could come up with while learning some info about this.
