Question

Q2. After a dust storm, how does rain help in making the air clean ?
Q3. Write two differences between vertebrates and invertebrates.​

Answer 1

Answer:

Q2. Answer - The rain water clears the dust particles which are able to clear from the air and it acts as a cleansing agent also. Even, the unwanted layers ( the layers of thick ash) was cleared by the rain (water molecules)..

Q3. Answer - Vertebrates have a skeletal structure with a spinal column or backbone. Invertebrates have no backbone, while vertebrates have a well-developed internal skeleton of cartilage and bone and a highly developed brain that is enclosed by a skull.

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