Misc: On This Day In January 1940 - "Gene Autry?

Questions

Agent Blue is a herbicide that was used agaainst the Vietnamese, what type of poisonous compound does it contain?

Which compound forms about 70% of the human body?

What is the force that slows down or stops a moving thing?

The stinking cedar and yellow-wood trees are also known as what?

What term is given to the scientific study of all aspects of the life of fungi?