Question

add prefix bi- , pre- , super- ,multi- to the word weekly​

Answer 1

The word week comes from the Old English 'wucu' and the adverb weekly has been used in English since the fifteenth century. Semi-weekly dates to 1791 (the prefix semi- meaning 'half') and biweekly to 1865 (the prefix bi- meaning 'two').

Answer 2

Explanation:

Precautions Taken While Reading a Thermometer - definition

Thermometer should be washed before and after use, preferably with an antiseptic solution.

Ensure that before use the mercury level is below 350C.

Handle the thermometer with care. ...

Dont hold the thermometer by the bulb while reading it.