Need with number 3 and going further

The double pan balance is a very accurate instrument and can measure within a tenth of a gram. It’s only accurate if the smallest weight being used. The accuracy a electronic balance relates to the measurement uncertainty of each reading. A fast, stable weighing result is not necessarily an indication of accuracy.

No 1 very mooch

light dependent reactions:

release oxygen during the photolysis of wateroccur in the granaproduce atp

light independent reactions:

fix carbon dioxide occur in the stromaproduce glucose

hope this !