Which statement describes all living things? a) they must reproduce sexually. b) they are composed of one or more cells. c) they are capable of making their own food. d) they have organ systems to carry out the processes of life.  hint {the subject is science}

Who is better, messi or cristiano, i need this for a chemistry class. asap

How many moles of carbon dioxide will form if 2.5 moles of c3h8 is burned

Indicate whether the specified alkyl halides will form primarily substitution products, only elimination products, both substitution and elimination products, or no products when they react with sodium methoxide. 1-bromobutane 1-bromo-2-methylpropane 2-bromobutane 2-bromo-2-methylpropane