Questions 1-10
Complete the notes below. Write ONE WORD ONLY for each answer.
Description
- It looks like a small 1
- It is controlled remotely like a 2
What it can measure
- water temperature
- water pressure
- the level of 3 in the sea
Working conditions
- good water 4
- proper water temperature and depth
Measurements help us know
- the physical and biological aspects of the ocean.
- the impacts of 5 on marine ecosystem.
Advantages
- It can handle tasks that cannot be done by humans.
- It can operate without 6
Disadvantage
- It may cause 7 damage to the environment.
Working process
- It collects data from the 8 of the ocean floor.
- Its engine uses 9 from the fuel tanks.
- Scientists send the message by using satellite phones.
- The antenna at the 10 wingtip transmits the message.