How does deforestation by fire or human activity contribute to mass wasting?

Seed plants that lived during the carboniferous impact life on earth today because a. they are the ancestors of all plant life on earth. b. their remains formed coal, which is an important resource. c. they produced fossils that are used to date many geologic events. d. their presence caused oxygen levels to drop, allowing animals to evolve.

The ratio of the measures of the three angles in a triangle is 14: 15: 11 find the measures of the angles

Find the area of the shaded region.