Environmental Science - Study Mode

[#531] Example for a bio-degradable polymer is
Correct Answer

(C) Poly lactic acid

Explanation

Solution: Example for a bio-degradable polymer is Poly lactic acid.

[#532] The European Union has a permanent ban on the use of __________ in toys.
Correct Answer

(A) Phthalates

Explanation

Solution: The European Parliament has voted to permanently ban the use of a group of chemicals to soften children's toys following health concerns. Phthalates have been linked to damage to the reproductive system, and an increased risk of asthma and cancer.

[#533] A biodegradable plastic developed by Biopak Corporation Australia
Correct Answer

(A) Biopol

Explanation

Solution: A biodegradable plastic developed by Biopak Corporation Australia is Biopol.

[#534] A __________ is formed due to the collection of water in a natural basis or depression in a mountainous area or in plains.
Correct Answer

(A) Lake

Explanation

Solution: A lake is formed due to the collection of water in a natural basis or depression in a mountainous area or in plains.

[#535] The simplest aquatic ecosystem can be seen in a
Correct Answer

(C) Pond

Explanation

Solution: Pond is the simplest aquatic ecosystems. Most ponds become dry after the rain over and are covered by terrestrial plants for the rest of the year. When the ponds fills in the monsoon season, a large number of food chains formed in the pond ecosystems.