How the El Niño event affected the weather, food production, water supply, or human health? El Niño was responsible for the following events in 2015:

16 tropical cyclones in the central Pacific hurricane basin

three category 4 hurricanes occurred at the same time

emergency water rationed in St. Lucia and San Juan

65 percent of Antigua's farmers went out of business

northern, central, and southeastern Ethiopian highlands received 50–90 percent of their normal rainfal.

Astudent pours 10.0 g of salt into a container of water and observes the amount of time it takes for the salt to dissolve. she then repeats the process using the same amounts of salt and water but this time she slowly stirs the mixture while it is dissolving. the student performs the experiment one more time but this time she stirs the mixture rapidly. the dependent variable in this experiment is: time for salt to dissolve speed of stirring amount of water mass of salt