Question

Can sone one give me Variations whole chapter notes for 8th class cbse
please give me the answer and please explain whole chapter

i will mark you as a brainlist and i do that.

Answer 1

Answer:

Surface free energy or interfacial free energy or surface energy quantifies the disruption of intermolecular bonds that occurs when a surface is created.

Answer 2

ANSWER:-

• The term variation describes the difference in characteristics shown by organisms belonging to the same natural population or species.

• the physiological or morphological change in an organism due to either hereditary factors or environmental factors is called variation

• Variations are changes in organisms which occur in a short period of time and usually variations occur in single organisms not in whole species.