Contemporary calculations have proven the accuracy of muhammad ibn musa al-khwarizmi’s calculations of what?.

Why do you need to classify the size of a particle

Jim has found that he must consume 2,300 calories a day to reach his health goals, but he doesn't want to give up his afternoon snack of pretzels. unfortunately, he tends to eat the entire bag — which amounts to 1,300 calories! what strategy should jim use to improve his habits?

Guys plz and say a best answer i will give 15 points how we should prepare for a scholarship exam