The 4 main one are Iron, oxygen, silicon, and magnesium<span />
I think that it's cannot include supernatural explanations, or C.
If i got it wrong sorry
The spherical object will float and the square object will sink to the bottom of the fluid as it has greater density. :)
Answer:
Explanation:
lung air ways the mucus will clog it up causing asthma hope this helped :P
Answer:
The ratio of the mass ratio of S to O; in SO, to the mass ratio of S to O; in SO₂, is 2:1
Explanation:
According to the consideration, let us first find the ratio of S and O in both the compounds
For SO:
Let us express it as

For SO₂,
Due to two oxygen atoms in the molecule, the mass of oxygen will be taken two times

Let us express it as

Now, for the ratio of both the above-calculated ratios,

The required ratio is 2:1