What is 2+2+4+4+6+6 i am lonely

With the use/abuse of alcohol, the heart is more efficient in the use of nutrients by the heart tissue.

Only people in ap world history can can someone give me a question and a statement to present to the class about chapter 15,16,or17

What is the tychonic system? a. a model of the solar system in which all the planets (including earth) orbit the sun b. a model of the solar system in which the planets, moon, and sun orbit earth c. a model of the solar system where the planets orbit the sun, and this system orbits earth d. a model where all the planets and earth are fixed in space and only the sun and moon move e. a model that expands the system to a vast number of galaxies and star systems