Iron, or Fe, is the only element here. The rest are alloys. I hope this helps!
C) we can see Sirius as it looked 8.8 light years ago.
Answer:
C. Colloids
Explanation:
Because these two mixtures don't mix
How many water molecules are there in the equation CH4 + 202
there are 4 Atomic Atoms im not sure if thats how ur supposed to answer it
Single replacement because only one letter is being switched out in the reaction