In the periodic tables metals are on the left side and nonmetals are in the right side.... so we can know whether an element is metal or nonmetal by it's position on the periodic table..
Answer:
1. C
2.C
Explanation:
I've seen these questions before on a test from my school
The most appropriate answer is D !
in respiration oxygen and glucose( food substance) combines to form energy and CO2 !
just carbohydrates my guy
