A tornado! I think or it could be rain
Saturated hydrocarbons consists of C-C single bond whereas Unsaturated hydrocarbons consists C-C double/triple bond.
I think it is "Known".
Radioactive decay is measured using a formula where the half-life <span>of an isotope is the time it takes for the original nuclei to decay half of its original amount.</span>
Use equation
number of moles= sample mass/molar mass
Answer: 10
Explanation: 10 + 4.1 = 10