Answer:
16
Explanation:
The proton number is always the number in the corner of the box on a periodic table
D) Radioactive contamination
C. Primary consumers
Explanation:
Producers are like grass, herbivore is like a cricket and primary consumers is like a bird
Answer:
aa
Explanation:
There is a lowercase a on both sides.
Answer:
See below, please
Explanation:
1 mol CH4 ——>2 mol H2O=2x18 g/mol= 36 g
The question is not clear. You should tell us the concentration of CH4, methane.