Questions with the keyword 'tool'

are home remiedies valid and if so, which one is the most effective? (1 comment)

What are your favourite plants? Mine is roses. (1 comment)

how hard is it working with 100 other scientists? (1 comment)

what do you do in your free time in a lab for example. (3 comments)

Is it true that the sun will eventually swallow the Earth? (1 comment)