What type of uv light is used during tanning beds and why is it so dangerous ?

It is an ultra violet light, same as the sun. If you spend a lot of time in the sun, you are more likely to get skin cancer, it's the same for tanning beds.

glacial erosion, the picking up and movement of earth beneath a glacier, is also referred to as plucking. erosion and transportation of individual pieces of bedrock, especially large "joint block occur as a result of this glacial erosion. plucking is type of erosion in which rocks become frozen into the bottom and sides of the glacier.as the glacier moves downhill it 'plucks' the rocks frozen into the glacier from the ground.

it's false. hope i .