Ok. for question #1:A.
question#4 (i think, idk):C
question #6:A
question #7:A
question#14:B
question#15:D
question#18:D
question#19:A
(btw I barely understood any of that, so please next time, clarify your question to make it easier to comprehend)
Answer: Here's a part of it however I cant do the whole thing that would be complete your work and this website s for help not to do it.
The Amazon River in South America is the largest river by discharge volume of water in the world, and by most accepted definitions it is the second longest river in the world, after the Nile River. The headwaters of the Apurímac River on Nevado Mismi had been considered for nearly a century as the Amazon's most distant source, until a 2014 study found it to be the headwaters of the Mantaro River on the Cordillera Rumi Cruz in Peru.
Explanation:
Relating to, denoting, or preserving the character of an early stage in the evolutionary or historical development of something.
