Which of the following is an incorrect statement about coral reefs? a- coral reefs are not beneficial to ocean ecosystems. b- coral reefs provide homes as well as food and nutrients for many organisms. c- a coral reef is a living organism. d- coral reefs have great biodiversity.

Is the weather changing? consider the data of severe weather that includes tornadoes occurring throughout the u. s. over the last four years. compare the severe weather for the last three years. then compare the first three months of 2017 with that data. based on previous years, what might the prediction be for weather during 2017?