MY ANSWER IS "D".
<span>Great!! Lavoisier was born in 26th August (1743)....yesterday!! </span>
<span>USING A RELIABLE BALANCE, LAVIOSIER REPORTED WEIGHT OF HIS REACTING SYSTEMs AND HE DEVINED THE "MASS CONSERVATION LAW". Chemists remembered him because by his several foreseing in actual Chemistry Dogma : </span>
<span>-) Chemistry can't break down chemical elements ; </span>
<span>-) Air is a mixture of Nitrogen and oxygen ; </span>
<span>-) Oxygen allows combustion and animal breathing ; </span>
<span>-) Oxygen combine with other chemical elements to form oxides or anhydrides ; </span>
<span>-) Oxides unite water to form Bases ; </span>
<span>-) Anhydrides unite to water to form Acids ; </span>
<span>-) Acids unite to Base to form Salt besides rescued water ; </span>
<span>-) Chemical Systems can't change its whole mass/weight.</span>
The tone used in lines 1-4 is sarcasm, the writer creates this tone by describing their day as “brilliantly”, and then tells us about their day, which didn’t seem to go well.
A theme could be to never give up and have couage and a clear example of this theme can be with the main character herself. Poppy never gave up and with every challenge she went through it bravely and showed everyone that she was brave.
You should fine certain quotes to back up this theme, so you can have proper evidence.