Classify the following into open, closed or isolated system :
(i) Animals and plants
(ii) A referigerator or a fridge
(iii) A solar cooker

Classify the following into open and closed curves.

Classify the following into open, closed and isolated system. Boiling of milk in a pan.

Classify the following as open or closed curves:

Classify the following into open, closed and isolated system. Boiling tea kept in a thermos.

Classify the following as open, closed or isolated system. (i) Animals and plants on the earth. (ii) Calorimeter. (iii) Thermos flask filled with hot tea. (iv) A tin containing Pepsi.

Classify the following curves as open or closed:

Classify the following curves as open or closed.

Classify the following curves as open or closed.

Classify the following curves as open or closed.