Answer:
Homework is harmful and not the key to student success
Explanation:
The above option is actually the best that serves the writer's claim.
This is true because looking at the passage, we see that after the student argued about the problem of homework and how it is not really beneficial to the students, the writer then went further to conclude that homework is harmful and not the key to a student's success.
So, the selected sentence is the correct answer.
The underlined word is a complete subject. So, the best option is A.
Answer:

<h3><u>Afforestation</u> is the establishment of a forest or stand of trees (forestation) in an area where there was no previous tree cover. Many government and non-governmental organizations directly engage in afforestation programs to create forests and increase carbon capture. Afforestation is an increasingly sought-after method to fight climate concerns, as it is known to increase the soil quality and organic carbon levels into the soil, avoiding desertification.</h3>
Explanation:

