Where are the most enriched and informative museums located?

Arrange the following steps for the preservation of plant specimens in a herbarium in the correct sequential order: $P$: Mounting,$Q$: Drying,$R$: Labeling,$S$: Poisoning,$T$: Collection of plant specimens,$U$: Pressing.

How are plant specimens dried for herbarium preparation?

Which care is taken for the preservation of plant specimens on a herbarium sheet?

Write an explanatory note on Museums.

What is Kew, London, famous for?