Answer:
2 moles of F
Explanation:
for every molecule of CaF2, without the two atoms of F, CaF2 cannot be formed.
Now we multiply both CaF2 and F by 6.02 X 10^23 to convert CaF2 and F to moles, it will be the same ratio since we multiplied both by the same number
Roots and stems
Explanation: the cork of mature roots and woody stems is perforatedby nonsuberized pores called lenticels.
In "Hydroelectricity" we build dam in order to produce electrical energy by rotating our huge turbines. As Dam separates the division of water into two parts, It can store/prevent flooding and protect community
In short, Your Answer would be "Hydroelectric Power"
Hope this helps!
