The ___ blends into outer space. Select one:
O a. troposphere
O b. stratosphere
O c. mesosphere
O d. exosphere

Exosphere

Explanation:

it is found at the end reaching outer space

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.

i think it is true since you can test the answer and can use observations to complete it.