When are colons used? select three options.

Give a simile of how u look or act. yes it can be you whoever is reading this (but if u wanna do me then im mostly shy and nervous at school)

What is the topic sentence of paragraph 5 of the passage?

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?