The treatment of worry or nervousness, or medical conditions that are not serious, by rubbing pleasant-smelling natural substances into the skin or breathing in their smell

The knowledge that something exists, or understanding of a situation or subject at the present time based on information or experience

Choose the correct word for the following definition:

To watch and check a situation carefully for a period of time in order to discover something about it

Travelling a long distance

The act of deciding that an organized event will not happen or of stopping an order for something

The campsite is situated ______ the beach and set in beautiful woodlands and gardens.

By 2030 the figure ______ 1580 million. (be)

To study a subject in detail, especially in order to discover new information or reach a new understanding