10. lichens are among the first organisms to
appear in a primary succession. these
organisms live on rocks where they produce
acids. how do these acids the primary
succession that occurs?
f
these acids cause the lichens to get larger.
g
these acids kill the lichens.
h
these acids change the environment.
j
the stable community uses these acids.

The correct option is H) these acids change the environment.

Explanation:

Soil can be described as the part of the environment where plants grow. In primary succession, life stars arising in an area which has no soil and only rocks, This is possible because lichens are the organisms which can grow on the rocks. Lichens secrete certain acids which break down these rocks and hence soil begins to form when these rocks break. This makes it possible for other plant species to grow on these lands.

i'd say that the moon rock is about 2.2 billion years old.