Question

Plastic cups were used to serve tca in trains in early days there could be
returned to the vendors, cleaned and reused. Later Kulhads were used instead
of plastic cups. Now.paper cups are used for serving tea
that are the reasons for the shift from Plastio to Kulhads and then finally to
paper cups?
Explain where and how urine is produced?​

Answer 1

Answer:

Answer : Use of Plastic cups raised the concern towards hygiene thus they were replaced by disposable plastic cups. Plastic cups are non-biodegradable and harm the environment. They were thus replaced by Kulhads.

Explanation:

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