What is the rule about ending a sentence with a preposition?

What is the main problem with the following critique? “you put some thought into it, but you obviously do not care much about the topic you are presenting.” a. it is not ethical. b. it is not constructive c. it is not specific. d. it is not behavior focused.

Read the passage. (1) since prehistoric times, milk has been a vital source of nutrition for human beings. (2) some doctors and nutritionists believe that consuming milk can be detrimental to our health. (3) milk is one of the most nutrient-dense beverages we can consume and it should be an essential part of a healthy diet. (4) drinking just one 8-ounce glass of milk per day puts you well on your way to meeting recommended daily intakes for important nutrients. which transition would be best to use at the beginning of sentence 2? finally additionally however specifically

Asap select 4 statements which could be considered a "theme" of a story, play, poem, etc. a sometimes the most profound ideas can come from unfamiliar places. b my best friend jeffrey has many unusual interests. c once a man gives his soul over to evil, he can never go back. d the three sheepdogs lay around the yard all day. e a priest's collar has an unusual effect upon people. f innocence is a powerful force in a world full of corruption. g king lear is a play shakespeare wrote later. h evil often wears the disguise of innocence. the answer is a c f h