Excerpt from The River Thames Roberto Barerra
Rivers have played an important role in human history. Since ancient times, towns,
cities, and entire civilizations have thrived around rivers, which provide people with
many of life's necessities. One such river, the River Thames, has been instrumental in
the founding and development of London...
8 Though people no longer rely on the Thames as the only way to get around, the
river is still important to many Londoners... If not for the Thames, the world as we
know it would be a very different place.
What are some "life's necessities provided by the River Thames in the past?
es )
A
transportation
B)
grain harvests
light to see with at night
D)
oxygen

the sentence does not violate the phrase structure second rule (introduced by noam chomsky) because noun phrases consist of a determiner such as a, the or every, and a noun. in the sentence, the noun phrase the cake includes a determiner (the) and a noun (cake).

on the other hand, the first rule indicates that a sentence encloses a noun phrase, followed by a verb phrase. the example sentence can be analysed as follows:

john (n) + ate (v) + the (det) + cake (n).

depends on your school

when i was in high school i took ap biology my senior year and it was the hardest one for me because my teacher finished the material within the first month of school and then went on to doing advanced college level it was horrible. but at a nearby school ap biology was one of the easier aps. also, it depends on what you are interested i like math a lot so ap calculus was easier for me than most but i hate history so ap us government was harder for me than most.

it is grammatically incorrect and is illegible to me and i can not answer it.