Which statement best describes the role of lichens in ecological succession? A. They replace smaller trees and shrubs that need less sunlight.
B. They release acids that help break down bare rock to form soil.
C. They add nutrients to the soil and hold the soil together with roots.
D. They use nitrogen from the air to make nutrients that plants can
use.

B: They released acids to help break down bare rock to form soil.

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.

the food using pesticides in the future will harm you by giving you diseases like cancer or something since they have things that we should not eat in it like chemicals or pesticides. that is why organic food is more expensive because they take the time to make it right and healthy for you to eat.

explanation: