I think D would be your best answer
Answer:
Metamorphic rocks form when existing rock is physically changed by extended exposure to heat and pressure. They can form from any type of rock, whether that is igneous, sedimentary, or another metamorphic rock.
Explanation:
Use iodine.
Iodine solution makes the sample you want to study of microscopic organism more visible.
Answer:
sour, corrosive
Explanation:
An acid is a substance that donates hydrogen ions. Because of this, in an acidic solution there are more hydrogen ions than hydroxide ions. This means the more acidic a food is, the more hydrogen ions are available to trigger the sour taste receptors. A base is a substance that accepts hydrogen ions.
Answer:
I have online classes tomorrow
