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Flexion occurs at the elbow joint, this is due to the contraction of the Biceps Brachii (the agonist) and the relaxation of the Triceps Brachii (the antagonist) as muscles work in antagonistic pairs.

Pillow lavas are formed when lava is emitted from the earths crust under water. The outer layer cools rapidly and hardens while the inside remains soft. A round pillow like ball of malleable rock is forme...

Opportunity cost is the next best alternative forgone when a choice is made. If one had a choice of buying product A and product B, the opportunity cost of buying product A is product B.

The first step is to reverse any addition or subtraction. Gather all terms being added on one side. Remember that crossing over from one side of the equal sign to the other negates the symbol before the n...

В моей семье есть 4 человека: мой папа, моя мама и мой маленький брат. Моего папу зовут Макс и ему 42 года. Он работает в офисе, компьютерным инженером. Мою маму зовут Инесса и ей 40 лет. Она работает в т...