Please help me, online school sucks

A.) 0.6 mL

Explanation:

The cylinder is filled up to 48.6 mL. If you subtract the volume of the water, which was originally 48 mL you have a remainder of 0.6mL. The diagram seems difficult to read and you could argue its filled up to 48.8mL but 0.8 mL is not an answer so it must be option A.

b. acid is the correct answer @jayxboof all social media

acid : acids are those which accepts an electron-pairs.

base : bases are those which donates ab electron-pairs.

alkali : it is a base that dissolves in water. it is basically a base and the ph greater than 7.

hydroxide ion : it is a poly-atomic ion which is negatively charged.

tracks, burrows, eggshells, nests, tooth marks, or gastroliths