Answer: option d. gives the percentage of water molecules in the air.
Explanation:
Density is mass over volume. Density is also a charecteristic property wich defines a substance and two different substance cant have the same charasteristic property.
Answer:
Salty Water
Explanation:
Swimming in Salty water gives us more buoyancy when freshwater does not.
Explanation:
conduction- putting a metal spoon in fire
convection- boiling water. In ventilation
Radiation- suns heat reaches us by radiation. heat from fire place reaches us by radiation.