Seriosly affected by an undesirable condition or an unpleasent feeling

Tending to cause harm

A substance used for killing insects

Exposure to or addition of a toxin/poison.

Express complete disapproval of, typically in public; censure

characterized by or involving physical strength, effort, or energy

a stretch of land, especially with regard to its physical features

prevention of wasteful use of a resource

unable to be used up because they exist in abundance

involve oneself deeply in a particular activity or interest

Noun, news; information

Anything handed down from the past as from an ancestor or predecessor

Produce powerful feelings or strong, clear images in the mind

A person who studies human history and prehistory through the excavation of sites and the analysis of artifacts and other physical remains.

An expert in or student of natural history.