Answer dis please I will like and 5 star if correct

Asmall amount of a solid is added to water. the observation made after fifteen minutes is shown in the figure. which of these solids has been probably added to water? a) oil b) sand c) sugar d) wood chips

Flourine is found to undergo 10% radioactivity decay in 366 minutes determine its halflife

What three natural resources are found in the great lakes region