to launch a rocket liquid oxygen and liquid hydrogen are combined inside the rocket engine to react explosively. How do you think scientists take into account the law of conservation of mass when they calculate the amount of fuel needed for a rocket launch?

Will give ! what are the advantages and disadvantages of nuclear power? check all that apply. one advantage of nuclear energy is that it does not produce carbon dioxide emissions. storage of nuclear waste is a short-term problem associated with nuclear energy. the problem with uranium mining is that a large quantity of uranium must be extracted to meet energy needs because the energy release from uranium fission is so low. safe operation of a nuclear power plant can be jeopardized by a human mistake.

Main expenses you plan on making payments on a new car too. you want to spend 15% of your monthly net pay on the car payment, insurance, registration, and taxes combined. what is your monthly car allowance? $149.46 $298.91 $448.37 $597.83

Which of the following is not an assumption that scientists must make about the natural world? a. regularity b. causality c. predictability d. plausibility