Answer:
choice a.
Explanation:
Thomas Young and Jean-François Champollion were considered rivals, but ironically they work indirectly together since Thomas Young was the first in deciphering the Rosetta Stone hieroglyphs, but after being incapable of finish it, Jean-François Champollion succeeded after taking young's prior work and complemented it to fully decipher it.
"Planting trees throughout Sahel" is the one action among the following actions given in the question that would be the most effective long-term solution to fighting desertification in the Sahel.
"I believe that I dont have to be perfect" shows Matthew's growth mindset.
Answer:
Gears are used in clocks and Watches.
Explanation: