Which statement best describes the role of the skeleton? O provides excretion
O gives shape and support to the body
O helps our heart to beat
O gets rid of solid waste

Citric acid has a ph between 1 and 3.  it is considered to be aa. weak acidb. weak basec. strong based. strong acid

Who examines and coordinates the cleanup of polluted sites?

Asolution is made by dissolving 2.3 moles of sodium chloride (nacl) in 0.155 kilograms of water. if the molal boiling point constant for water (kb) is 0.51 °c/m, what would be the boiling point of this solution? show all the steps taken to solve this problem.