Lecture on Environmental Science IELTS Listening Answers

Lecture on Environmental Science IELTS Listening Answers focuses on the listening abilities of the candidates. The IELTS exam tests the skills of students in all areas of communication. Section 4 requires students to develop their listening abilities for excelling in the exam. The following IELTS Listening topic - Lecture on Environmental Science IELTS Listening Answers has three types of questions:

• Write NO MORE THAN THREE WORD OR A NUMBER
• Circle the correct letter A-C
• Complete the Table

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Topic: Lecture on Environmental Science 

Audio: 

Section 4
Questions (31-40)

Questions 31-34:
Choose the correct letters A-C.
Write answers next to 31-34 on your answer sheet.

31. Japan relies on oil tankers because_____

1. the country consists of islands.
2. the country has no pipeline network.
3. the country has no natural oil resources.

Answer: C. the country has no natural oil resources
Explanation: The speaker Prof. Wilson says that a country such as Japan that does not have oil deposits of their own imports oil tankers which are the largest ships to sail on the ocean. Hence, we can conclude that Japan does not have its own oil resources.

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32. Professor Wilson says that oil tankers are_____

1. very safe.
2. quite safe.
3. quite unsafe.

Answer: B. quite safe
Explanation: Oil Tankers are designed to hold thousands of gallons of crude oil without any risk of spillage or damage. Hence, we can conclude that oil tankers are quite safe.

33. According to Professor Wilson, the main cause of oil slicks is_____

1. accidents while loading and unloading oil.
2. Collisions.
3. deliberate releases of oil.

Answer: B Collisions
Explanation: Oil slicks can happen due to many factors as per the speaker. However the major cause is ships hitting other ships or rocks. This is also known as collision and hence, collision is the correct answer.

34. According to Professor Wilson, slicks are rarely burned off nowadays because____

1. the oil is refined.
2. it usually doesn’t work.
3. it creates too much air pollution.

Answer: B it usually doesn’t work
Explanation: Previously oil slicks were burned but nowadays they are not because all compounds are not flammable. Hence, the burning of slicks usually does not work.

Questions 35-39:
Complete the notes below.
Write NO MORE THAN THREE WORDS.

Oil exploration clean-up techniques

Answer 35: Very calm seas
Explanation: The containment boom is one way of oil clean-up technique which is cheap. However, they only work in very calm seas which is a disadvantage. Hence, very calm seas is the correct answer.

Answer 36: Larger slicks
Explanation: As per the author, one more method is to spread detergent directly onto the spill. This method is well suited to deal with larger slicks as it breaks down oil into sediments and lesser harmful substances.

Answer 37: Toxic waste
Explanation: Companies have invented a giant sponge that sucks up the oil and prevents it from harming the environment. The positive is that the oil is absorbed by the sponge but the downside is that the sponge becomes a toxic waste. Hence, it is one disadvantage.

Answer 38: Eco-friendly
Explanation: Scientists have researched and found bacteria as a solution for oil spills. The bacteria uses the oil as a food and eats up the slick more and more until it vanishes. The author says this method is cheap, easy to monitor and also eco friendly. Hence, eco friendly is the correct answer.

Answer 39: No (discernable) drawbacks/none
Explanation: As the bacterias eat the slick, once the slick is gone, bacterias also die without getting food. So far, there is no drawback of this method. Hence, no drawback is the correct answer.