A difficult task or problem
challenge
To be able to use something
access
A place or position
location
The way a person acts or behave
behavior
A way of earning money to live
livelihood
A prominent part or characteristic
features
The state of the atmosphere with respect to heat or cold, wetness or dryness, calm or storm, clearness or cloudiness.
weather
Industrial materials and capacities (such as minerals, water, riches) supplied by nature.
Natural resources
One of Earth’s seven main divisions of land.
continent
The practice of traveling for recreation
tourism
