Question 23 (4 points) Which of the following is NOT a characteristic for sexual reproduction? (4 points)
оа
Oь
Ос
Od
Uses a sperm and an egg cell
Having non-identical offspring
Having 1 parent
Reproducing slowly

How many moles of air are there in a human lung with a volume of 2.4 l at stp? explain your answer

Voltaic cells produce a positive overall charge. what does this indicate? a. the reaction is likely to be endothermic. b. the reaction is spontaneous. c. the reaction is not likely to occur. d. the reaction is not spontaneous.

What changes occur in the reaction indicated by the equation? check all that apply. the hydrogen nucleus loses protons. the oxygen nucleus gains protons. the bond in h2 is broken, and new bonds are formed between hydrogen and oxygen atoms. each electron associated with a hydrogen atom is shared with an oxygen atom.