Difinition of present prfect?

Read the excerpt from it's our world, too! : young people who are making a difference.the author’s purpose in this excerpt is to

How does the allusion to icarus support the author’s tone ? a)it makes it clear that earhart,like icarus ,fell to her death .b)it emphasizes earhart’s failure in spite of her ambition.c)it stresses that the author views earhart’s fate as a mystery.d)it shows that the author sees earhart as a kind of legend can someone

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