When an oxygen atom forms an ion, it gains two electrons. What is the electrical charge of the oxygen ion?
2
1
O +1
O + 2

Which of the following is most likely the result of an organism having lipids in its body a) water cannot be absorbed through the surface of a leaf b)human eats fruits to get a quick source of energy c) a sheep sleeps for more hours in the winter d) a warm river is filled with fish and algae