Answer: Your welcome!
Step-by-step explanation:
1 In 1700, people travelled to study plants A adapted to the native climate.
2 The new species transported back to Europe D had to be kept indoors.
3 In 1800, people travelling for health reasons B arriving in ever increasing numbers.
4 Most travellers in the early days were rich, E having inherited their wealth from their families
5 People often stayed in private homes C made up the majority of international travellers
6 The introduction of hotels attracted visitors F offering accommodation for the night.