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The French imperative is used to give commands and is formed differently depending on whether you are using the tu , nous or vous form. To form a positive command in the nous or vous forms, just take the pre...

1) They put on fat which is a good insulator and allows the animal to retain its heat. 2) The animal in putting on weight will become larger and have a smaller surface area to volume ratio which also decreas...

Reactivity increases down the group. This is because the outer electron in each atom is further away from the nucleus as you go down the group and so the electrostatic forces between the nucleus and the oute...

Too calculate this we need to increase to total amount of money in the bank by 3% year on year for 6 years. Year 0 £500 Year 1 £500 x 1.03 = £515 Year 2 £515 x 1.03 = £530.45 Notice we use the running total ...

A dative covalent bond, or coordinate bond, is a bond where there is 1 pair of shared electrons between two atoms. The difference relative to a covalent bond is that in a dative covalent bond these electrons...