Question

.i) Which symbiotic life forms can grow on stones and help in formation of soil?

ii) Write the mode of their actions for making soil from rocks.
plz answer differently​

Answer 1

Explanation:

Turn the compost heap over, turning the outside to the inside, and the inside to the outside. To explain how to do this, when turning the compost, move the outside of the pile to a spot next to it, and keep moving material from the outside to the new pile. When the turning is completed, all the material that was inside the pile will be outside and vice versa.

Ensure that moisture stays constant. To test, put gloves on and squeeze a handful of the compost materials, which should only release one drop of water, or almost drips a drop.

Let the compost pile sit for 4 days, don’t turn it.

TIP: If the compost pile gets too wet, spread it down, or open a hole about 7-10cm (3-4”) wide with the handle of the pitchfork, or put sticks underneath for drainage.

Answer 2

Answer:

Lichens grow on stones and help in the formation of soil. While growing they release certain substances that cause the rock surface to powder down and form a thin layer of soil.

Lichens grow on surface of rocks release chemical substances which cause the rock surface to powder down and form thin layer of soil.