Which change of state occurs at 100 °c when heat energy has been added to liquid water? a. boiling b. melting c. freezing d. condensing

A. Boiling

Boiling point is 100 degrees Celsius

I hope that helps u! :)

The answer is A. boiling because 100⁰ Celsius converts to 212⁰ Fahrenheit, and water boils at 212⁰F  

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.