Question

Answer in one word
(i) The microorganisms that derive their nourishment from dead and decaying organic matter.
(ii) In which change no new substance is formed.
(iii) The heavenly body that changes its shape every day.
(iv) The motion that repeats itself after fixed period of time.​

Answer 1

Answer:

I) decomposer

ii) physical change

iii)moon

iv)calledperiodic motion

Answer 2

Explanation:

(i) The microorganisms that derive their nourishment from dead and decaying organic matter. - saprotrophs or saprophytes

(ii) In which change no new substance is formed. - physical change.

(iii) The heavenly body that changes its shape every day. - Moon

(iv) The motion that repeats itself after fixed period of time. - periodic motion