Estimate the mass of water on the earth. The density of water is 1000kgm^-3 . Give answer to 1 significant figure. Here is a approximation you can use: Looking at charts of the oceans, we see that the depth is typically several thousand m (and a serious search tells me the average depth is 4700m) .The radius of the earth is about 6000km .The surface area of a sphere is 4πR².

i dont think you are wrong for wanting to get even with someone who did you wrong.

(i'm an eye for an eye kind of person) but if this person hurt you in a sexual way, i dont suggest doing anything to him. he should be taken to the proper authorities, you could go to jail depending on what you do. if it was something small like your sibling took your spot on the couch, than yea, i would get even with him by taking one of his favorite snacks lol. but i dont suggest you doing anything illegal.

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there are no components of a physical goal mentioned on the list of choices that you've provided.