In which of the beakers does the scientist observe clear evidence of a chemical reaction?
a beaker 1 only
b. beaker 2 only
c. beaker 3 only
d. beakers 2 and 3

If you burn 10 kilograms of wood in a fire (combustion) what is the weight of the products after the fire has finished burning the wood?

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

Adepositional also feature that forms where a stream enters a lake or an ocean is a