Answer:
D
Explanation:
The answer is D. I'm not sure that it is a solid. I don't think it is a ppte, which is the only way it can be a true solid. It is ionic if the reaction is taking place in water and there is someway to start the reaction. Be that as it may, the internal balace numbers of the chemical produced is the only possible answer. The balanced eq;uatioon is
2Al + 3Br2 ==> 2AlBr3
freezing. Think of what happens when you put water in the freezer
The answer is a. hemoglobin is the molecule that transports oxygen in red blood cells :))))
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D. Cell membrane: surrounds a cell and allows substances to pass in and out
