Question

Date-3/10/2020 and 4/10/2020
Science Revision-
Q1.Write a short note on -
a.Nitrogen fixation by Rhizobium.
b.Lichen
c.Total Parasite.
d.Types of heterotrophic nutrition in animals.
Q2.-Write the working function of-
a.Shadow Clock.
b.Water Clock.
c.Candle Clock.
d.Sand Clock.


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Answer 1

Answer:

answer of q 2

a shadow clock

there is a big circle in which a big is fixed the place where its shadow comes that is the time

Explanation:

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