I believe the answer would be A and C
Answer:
Baking soda is an alkaline, or base, substance. This means that when we dissolve baking soda in water, it forms an alkaline solution. For example, a 0.1 molar solution of baking soda has a pH of around 8.3. Lemon juice contains citric acid and has a pH of around 3.
I would choose organ system
The remains of an animal or plant preserved within a layer of rock I think I’m sorry if I’m wrong
