Answer:
Preparation of Bases
By the direct union of a metal with oxygen Some metals when heated in air or oxygen form the oxides of the metals. ... By the action of water or steam on some active metals Some active metals like sodium and potassium react with cold water to form hydroxides with the evolution of hydrogen gas.
Answer:
C
Explanation:
Silt is very benifical for plant growth. So the one with the most silt would be the best for gardening soil.
