a. A and R are correct and A explains R

1. Kovalam Beach
2. Marina Beach
3. Kanyakurnari Beach
4. Rameshwaram Beach
5. Elliot Beach

Certain elements are fundamental to attract tourists as travel destinations. They are
(i) Pleasant weather
(ii) Scenic beauty
(iii) Historical and cultural monuments

(i) The word tourist was derived from an old English word "tourian" which refers to a person who travels out of his usual environment for not more than one year and less than 24 hours.
(ii) The purpose of travel may be religious, recreation, business, historical and cultural.

(i) We travel to learn, whether its leaming a new language or learning about an area's history travel allows us to learn so many different things.
(ii) We travel to escape. Travel provides a momentary break from the humdrum of our daily lives.
(iii) We travel to discover.
(iv) We travel to make new friends.
(v) We travel to experience.

Environmental Impact of Tourism:
The quality of the environment is essential for tourism. The tourism industry created several positive and negative impacts on the environment.
a) Positive Impacts:
(i) Direct financial Contributions
(ii) Contributions to government revenues
(iii) Improved environmental management and planning
(iv) Increasing environmental awareness
(v) Protection and reservation of environment
b) Negative Impacts:
1. Depletion of Natural Resources
(i) Water resources
(ii) Local resources
(iii) Land degradation
2. Pollution
(i) Air and Noise Pollution
(ii) Solid Waste and Littering
(iii) Sewage
3. Destruction and Alteration of Eco system
(i) air
(ii) water
(iii) soil

(i) Landforms:
Mountains, Plateaus, Canyons, Valleys, Caves, Cirques, Sand dunes, Coral reefs, Cliffs, etc.,
(ii) Water:
Rivers, Lakes, Waterfalls, Hot springs and Geysers, Snow and Glacier, Water Currents, Tides and Waves.
(iii) Vegetation:
Forest, Grasslands, Moors, Deserts etc.,
(iv) Climate:
Sunshine, Clouds, Admirable Temperature, Rain and Snow.
(v) Animal life:
(a) Wildlife: Birds, Game Reserves, Zoos.
(b) Hunting and Fishing
(vi) Setflement features:
(a) Towns, Cities, Villages
(b) Historical remains and Monuments
(vii) Culture: 
Ways of life, traditions, folklore, arts and crafts.