The answer is A, Thomas Jefferson. Hope this helps.
the answer is B. Stratovolcano
Stratovolcano is composed by one layer of hardened lava, volcanic Ash, and Tephra
These volcanoes are identified by their periodic explosive eruption, spitting highly viscous lava that could spread in a far distance
I don’t know maybe you should figure it out yourself, it’s a short story. I’m sure that you're capable of reading a short story.
4 minutes mean 1 degree of longitude
There is 150 minute difference
17 degree 30 minutes west is longitude
The earth consist of lands, water, air, hydrosphere , and all the organisms that live on top of it
And Biosphere cover all of these things
Which means that the portion of earth that is included in the biosphere is 100 % of it
hope this helps