Siftting is useful because it
a it lets the reader look at figurative language
b tells you how to understand a piece of text
c explains what tone and theme are
d breaks down the larger piece into smaller, more manageable sections

Which statement is the best summary of the theme in this passage? people almost always disappoint their family members. working hard and being honest leads to long-lasting rewards. showing strength in a crisis makes problems easier to overcome. unintentional betrayal can lead to severe consequences

Oceans produce approximately 80 percent of the oxygen our planet needs to support animal life. pollution that reaches the ocean through dumping, oil leaks, runoff, and other processes interferes with that oxygen production and poses a real threat to the oxygen content in our atmosphere. if the oxygen content decreases, it is likely that carbon dioxide will increase. this could have dramatic consequences for life as we know it. which does this passage indicate causes a decrease of oxygen in the atmosphere?

Which of the number is main idea? i need this quick.