This percentage of all water on the planet is salt water . 97 % 95% 93% 91%

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An equinox occurs when a. neither end of earth's axis is tilted toward or away from the sun. b. the north end of earth's axis is tilted away from the sun. c. the north end of earth's axis is tilted toward the sun. d. earth's axis is parallel to the sun's rays. select the best answer from the choices provided a b c d

The free body diagram shows a box being pulled to the left up a 25-degree incline. the magnitude of the normal force is

What is the freezing point of radiator fluid that is 50% antifreeze by mass? kf for water is 1.86 ∘c/m.