Puzzle 1

Scuba __, underwater exploration activity

Cheddar and swiss are types of this food

The high-speed Japanese train is called a __ train

Time periods, e.g. the Holocene or Pleistocene __

Charlie's last name in Roald Dahl's book

The tops of your legs are your __

Products are bought and sold here

To look for something; anagram of "chaser"

The moment an asteroid hits the Earth

Large African snake that squeezes its prey

__ Horse, famous Greek trick; malicious program

He looks after agricultural land and animals