Plz asap describe how an el niño event affected weather, food production, water supply, or human health. plz use image if you can't its fine its the words i really need. i could not find science so i put chemistry

Asolution is made by dissolving 25.5 grams of glucose (c6h12o6) in 398 grams of water. what is the freezing point depression of the solvent if the freezing point constant is -1.86 °c/m? show all of the work needed to solve this problem.

Name the element in group 17, period 2. (periodic table)

From the options provided for each element below, choose the properties that it may have based on its location in the periodic table fluorine (f): highly reactive nonmetal shiny a conductor