Adjective

Seriously affected by an undesirable condition or unpleasant feeling.

Adjective

tending to cause harm.

Noun

A substance used for killing insects

Adjective

Exposure to or addition of a toxin/poison.

Verb

Express complete disapproval of, typically in public; censure

Adjective

characterized by or involving physical strength, effort, or energy

noun

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

noun

prevention of wasteful use of a resource.

Adj.

unable to be used up because they exist in abundance.

Verb

involve oneself deeply in a particular activity or interest.

Noun, news; information

Noun

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

Adjective

Produce powerful feelings or strong, clear images in the mind.

Noun

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

Noun

An expert in or student of natural history.