1. Acid , H+ ion
2. Base , OH- ion
3. Base , OH- ion
4. Acid , H+ ion
Brass and bronze are both made of copper because copper is the component in brass and bronze
Answer:
-Cations: They are formed by an atom losing an electron or electrons.
-Anions: They are formed by an atom gaining an electron or electrons.
Answer: The phases occur because the Sun lights different parts of the Moon as the Moon revolves around the Earth. That means the reason we see different phases of the Moon here on Earth is that we only see the parts of the Moon that are being lit up by the Sun.
Explanation:
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1. d, what are different types of blood cells
2.a, when one kind of cell stops working
3.a, cell that moves info
4.a, something that happens on its own