Environment

2. the very cold area around the North Pole
4. the period between birth and death, or the experience or state of being alive
6. the mixture of gases around the Earth
8. a substance that is used to provide heat or power, usually by being burned
9. the air, water, and land in or on which people, animals, and plants live
13. the measured amount of heat in a place or in the body
15. an expert who studies or works in one of the sciences

1. a large mass of ice that moves slowly
3. a substance like rock, formed in the sea by groups of particular types of small animal, often used in jewellery
5. a forest in a tropical area that receives a lot of rain
7. a piece of land completely surrounded by water
10. something that exists and can be seen, felt, tasted, etc., especially something unusual or interesting
11. a long period when there is little or no rain
12. the conditions in the air above the earth such as wind, rain, or temperature, especially at a particular time over a particular area
14. the general weather conditions usually found in a particular place