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Changes in Materials that are Useful or Harmful to One’s Environment
Quiz by Joanna L. Panaguiton
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​Is the change useful or harmful to the environment?
useful
harmful
​Is the change useful or harmful to the environment?
useful
harmful
Is the change useful or harmful to the environment?
Is the change useful or harmful to the environment?
Is the activity useful or harmful to the environment?
Is the change useful or harmful to the environment?
What do you call the cutting down of trees?
The smoke and toxins that enter the air also contribute to the greenhouse effect resulting to ____________.
To prevent/minimize the effect of burning of garbage we need to do_________.
Set up a compost pile to compost yard trimmings is an example of ________.
What does the image show?
What does the image show?
