More than one type of metallic elements.
Answer:
C
Explanation:
Plants help in carbon dioxode reduction so plants uses atmospheric carbon dioxide and water to produce sugars and oxygen.
HOPE ITS HOPEFUL.
I believe the answer is D.
Scientists are biased, and want to prove their specific hypothesis is right.
MgBr2 is the chemical formula for magnesium bromide
A fossilized fish could be used to identify the date of of the rock layer.
