A man who has self-identified as gay since his teens, who has had two brief sexual relationships with women, and who has been involved with his current (male)partner for 3 years.

answer: substrate concentration. enzymes work best when there is a high enough substrate concentration for the reaction they catalyse.

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.

maybe because its impossible for balloons to lift a whole entire house.

one part of the electromagnetic spectrum that arrives on earth as solar radiation from the sun is the visible spectrum. wavelengths of the visible spectrum combine to form what we refer to as

answer - d) ultraviolet radiation.

violet /   380–450 nm / 668–789 thz

violet is number 1 in the chart of visible light.