Underline the correct item.
1. scientific / science research
2. heavy /strong rain
3. mild / soft weather
4. marine / navy biologist
5. extreme /extravagant temperatures
6. the frightened / threatened Emperor Penguin
7. to do / make a survey
8. protective clothes /clothing
9. niver /marine bugging
10. an iron /ironing board
1. scientific / science research
2. heavy /strong rain
3. mild / soft weather
4. marine / navy biologist
5. extreme /extravagant temperatures
6. the frightened / threatened Emperor Penguin
7. to do / make a survey
8. protective clothes /clothing
9. niver ? /marine bugging
10. an iron /ironing board