The ratio of carbon14 to nitrogen14 is 1-5 how many half lifes of carbon14 have occurred

Which statement best describes the oxidation numbers of the atoms found in magnesium chloride? a. magnesium has a 2- oxidation number and chlorine has a 1+ oxidation number. b. magnesium has a 2- oxidation number and chlorine has a 2+ oxidation number. c. magnesium has a 2+ oxidation number and chlorine has a 1- oxidation number. d. magnesium has a 1+ oxidation number and chlorine has a 1- oxidation number.

Select all of the methods through which a drug can enter your body. injection swallowing inhalation absorption

Maya wrote if you step to describe how carbon circulates between the atmosphere and living organisms