The bar graph shows the cost per megawatt-hour comparison of various renewable and nonrenewable energy sources in the United States. The blue portion of the bars represents the cost of electricity. The red portion represents the additional system costs of harnessing that type of energy. Systems costs may include equipment expenses and costs of connection to a power grid.

Mass is the amount of matter in an object.  weight is the measurement of the pull of gravity on an object.  say for example, you travel to the moon which has a different gravitational field compared to the gravitational field of earth. (gravitational fields: earth = 1, moon = 0.165)  now when you are on the moon, the pull of gravity on you is different than on the earth. and as weight is the measurement of the pull of gravity on an object, that means yes, your weight can and will change on the moon.  however, on the moon, on earth or even on jupiter, the amount of mass inside of you remains the same. meaning your physical mass remains constant.  in conclusion it is possible for your weight to change as your mass remains constant. 

Because you ate playdough

The answer is true a geyser can reach up to 205 degrees fahrenheit

The water cycle increase the water content in the earth atmosphere