Im so alone and i really need friends and maybe more pls dont delete my quiestion

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

An empty fuel tank can still contain and therefore can be even more dangerous than one full of liquid fuel.

Which two scientific disciplines are bridged by pharmaceutical drugs? chemistry and forensics chemistry and medicine biology and forensics biology and criminology