What does a weather balloon do? Select three options.
warns about severe weather
enables forecasts seven to 10 days in advance
measures conditions in the upper atmosphere
collects data that predicts changes in the atmosphere
uses mathematical equations to show what will happen if conditions change

Answerthe energy required is 1.60 × 10⁻¹⁸ j, to three significant figures.explanationwe define electric potential as the ratio electric potential energy to the charge,    then the following gives us the potential difference,      the formula  may be on your formula sheet.the change in electric potential energy would be the energy that would needed to move it from point a to point b. solving for that, we get    using q = 8.00  × 10⁻¹⁹ c and  δv = 2.00 v, we get    the energy required is 1.60 × 10⁻¹⁸ j, to three significant figures.

Newtons laws of motion

Answerigneous bedrock of the oceanic crust;

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