Mountains
Harsh
What is something unpleasant or uncomfortable?
Habitat
What is a place where a plant or animal lives?
Research
What is to study a subject in detail?
Man-made
What is not natural (made by humans)?
Heading off
What is leaving?
Trek
What is a slow and difficult walk?
Conservation
What is the protection of something precious?
Significant
What is something that is important?
Install
What is to put something in its right place, and make it ready to use?
Big cat
What are species of large cats, like tigers, lions, cheetahs and cougars?
Expedition
What is a long trip, done with a particular purpose (e.g. exploration, scientific research)?
What is something that is able to be continued over a long period of time?
Prediction
What is making a guess?
What is someone who does a task as a job?
Take for granted
What is to assume something is true, or to not be thankful for something?
Summit
What is the highest Point of a mountain?
Microplastic
Scarcity
What is the state of not having a lot of something?
Hi-tech
What is something that involves a lot of complicated technology?
Cast doubt
What is to make something seem uncertain?
Mountaineering
Sanctuary
What is a safe place?
Numerous
What is existing in a large number?
Mechanical
What is something operated (run) by a machine?
What is a year taken off of career and study, to work, travel, volunteer or rest?