Ayuda es urgente Explica, en un breve texto , como funciona el balance hidrico, incluyendo en la respuesta los conceptos de infiltracion, evaporacion, evotranspiracion e influencia de la sociedad

Jessica finds out that the government introduced a new trade policy that will increase import tariffs. she calls for a meeting of all of the company'sdepartment heads to address this issue, since the new tariffs may increase the company's production costs. what is the purpose of this meeting? o a.operationsb.financec.strategic planningod.marketing

Which of the following is not a challenge to instituting sound global environmental policies? a. most changes are inexpensive and easy to implement. b. elected leaders who support unpopular environmental issues often are not re-elected. c. economic considerations outweigh environmental ones in many societies. d. there is no way to enforce international environmental agreements.

5. what is a red giant? can our sun become a red giant? why or why not?