A brief exploration of what cave explorers do on the job, including the equipment they use and the training they need, plus real-life instances of exploring caves such as Kentucky’s Mammoth Cave.
A brief exploration of what scuba divers do on the job, including the equipment they use and the training they need, plus real-life instances of scuba diving to discover ancient, underwater cities.
A kindergarten-level introduction to wetlands, covering their climate, plant and animal life, and defining features.
A kindergarten-level introduction to deserts, covering their climate, plant and animal life, and such defining features as their dry terrain.
A kindergarten-level introduction to rainforests, covering their climate, plant and animal life, and such defining features as their tall trees.
