The form of punctuation that is being referred to in this question is
most likely the exclamation mark. Exclamation marks should never be used
in formal or professional writing, because they will immediately make
the individual writing seem unprofessional, and even rude.
It gives us a source of a drink that can help us to live , without water you would not be able to thrive. Without water you wouldn't have a agent to clean with along with soap. Water impact society and environment in very important ways
We cannot answer either of those questions without knowing how many pieces are left.
If there are x pieces...
a. 65x, since each piece adds 65 centimeters to the total length.
b. 65(x-1). Same logic as above, except we subtract one from x since we have one less piece of yarn.
Also, make sure you place your question in the right category! You put this question in English, but it looks to me like more of a Math question.
Find the moles of Boron and of Chlorine:
Assume there are 100 g of the compound in all
Boron: 9.224% --> .09224 (convert percent to decimals)
.09224*100g = 9.224g Boron (theoretical amt)
9.224g* 1mol/10.81g (molar mass Boron) = .8533 moles Boron
Time and Social Conditions? I’m not too sure.