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Tulika pia
Tulika pia
@tulika-pia
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Joined: Nov 6, 2020
Last seen: Dec 24, 2020
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Topics: 2124 / Replies: 0
AllTopicsReplies
Topic
Write the common food chain of a pond ecosystem.
5 years ago
Forum
Our Environment
Replies: 0
Views: 85
Topic
Why is improper disposal of waste a curse to environment?
5 years ago
Forum
Our Environment
Replies: 0
Views: 104
Topic
Name the phenomenon in which non-biodegradable chemicals get accumulated progressively at each trophic level of a food chain.
5 years ago
Forum
Our Environment
Replies: 0
Views: 108
Topic
Which of the following belong to the first trophic level of a food chain? Grass, Grasshopper, Plants, Rat, Tiger
5 years ago
Forum
Our Environment
Replies: 0
Views: 104
Topic
Consider the following food chain which occurs in a forest: Grass → Deer → Lion If 10000 J of solar energy is available to the grass, how much energy would be available to the deer to transfer it to the lion?
5 years ago
Forum
Our Environment
Replies: 0
Views: 366
Topic
List two man-made ecosystems.
5 years ago
Forum
Our Environment
Replies: 0
Views: 205
Topic
Name two decomposers operating in our ecosystem.
5 years ago
Forum
Our Environment
Replies: 0
Views: 131
Topic
Which class of chemicals is linked to the decrease in the amount of ozone in the upper atmosphere of the earth?
5 years ago
Forum
Our Environment
Replies: 0
Views: 87
Topic
Why are some substances non-biodegradable?
5 years ago
Forum
Our Environment
Replies: 0
Views: 88
Topic
What step is being taken to limit the damage to the ozone layer?
5 years ago
Forum
Our Environment
Replies: 0
Views: 91
Topic
What is the role of decomposers in the ecosystem?
5 years ago
Forum
Our Environment
Replies: 0
Views: 109
Topic
What is meant by a biodegradable waste?
5 years ago
Forum
Our Environment
Replies: 0
Views: 131
Topic
Why is it necessary to conserve our environment?
5 years ago
Forum
Our Environment
Replies: 0
Views: 79
Topic
Give an example to illustrate that indiscriminate use of pesticides may result-in the degradation of the environment.
5 years ago
Forum
Our Environment
Replies: 0
Views: 114
Topic
What is the important function of presence of ozone in earth’s atmosphere?
5 years ago
Forum
Our Environment
Replies: 0
Views: 87
Topic
What are the various steps in a food chain called?
5 years ago
Forum
Our Environment
Replies: 0
Views: 89
Topic
Define ‘trophic level’.
5 years ago
Forum
Our Environment
Replies: 0
Views: 73
Topic
Which compounds are responsible for the depletion of ozone layer?
5 years ago
Forum
Our Environment
Replies: 0
Views: 103
Topic
Why did United Nations act to control the production of chlorofluorocarbons (CFCs) used in refrigerators?
5 years ago
Forum
Our Environment
Replies: 0
Views: 318
Topic
What will happen if we kill all the organisms in one trophic level?
5 years ago
Forum
Our Environment
Replies: 0
Views: 88
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