Answer:
Plastics are non-corrosive in nature because they do not react with air, water or other substances. They do not get corroded even if they come in contact with strong chemicals. This is because of their non-reactive nature with most materials. For example, the cleansing chemicals that we use at home are stored in plastic bottles, instead of metal containers. I know its late but I still hope it helped. :)
C. Cycle of life.........................
Answer:
The purpose of vaccination is to produce immunity.
Explanation:
Immunity means the presence in a person's body of cells and substances known as antibodies that can produce a protective immune response.
The correct answer is Separating soils by grain size. Among all the other choices, this is the aspect of soil characteristics in which a soil triangle is used for. Thank you for posting your question. I hope this answer helped you. Let me know if you need more help.
