An increase of what causes the bleaching of the coral reefs? salinity
ph
evaporation
temperature

Which of the following makes a true statement about us foreign-policy

If a swimmer is traveling at a constant speed of 0.85 m/s,how long would it take to swim the length of a 50m olympic sized pool?

The author says that in some town hall meetings several thousand citizens might. attend and vote.what would you do to make sure. a town hall meeting of that many people would run smoothly