Question

Materials needed: i) Two leaves from the same plant
ii) Some soil and
iii) Two containers

Experiment:
Take soil in two containers. Heat and cool the soil in one of the containers. Bury a leaf in each container. Water the containers every day. Dig out the leaves after a week and observe the changes.

Observations:
The leaf that was buried in unheated soil decays because it is decomposed by micro-organisms in the soil. The leaf that was buried in heated and cooled soil does not decay in the same way because heating kills the micro-organisms.

Try the above activity and finally you will understand that nutrients are returned to the
soil in nature.

please say what to do

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Answer 1

Answer:

You have to perform this activity....

Explanation:

U need

: i) Two leaves from the same plant

ii) Some soil and

iii) Two containers

U have to do :-

Take soil in two containers or jars......... U have to heat and then cool the soil in one of the containers..... U have to bury a leaf in each container.... U have to water the containers twice a day...... U have to dig out the leaves after a week....

U see that

The leaf that was buried in unheated soil decays.. because it is decomposed by micro-organisms in the soil.... The leaf that was buried in heated and cooled soil do not decay in the same way that of the other leaf because heating kills the micro-organisms.....

This was the activity....

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