Answer:
Steel
Explanation:
In fact, sound waves travel over 17 times faster through steel than through air. Sound waves travel over four times faster in water than it would in air
Answer:
The correct answer is (a) to ensure that natural resources are available for future generations.
Sustainable development means optimized use of natural resources to meet the demand of people in the present and future scenario. The main aim of sustainable development is to balance our economic, environmental and social needs which allows the prosperity for now and future generations. Sustainability can only be maintained when the resources are used in a way that it meets the need of people, not the greed of people.This is done to ensure that natural resources are available for future generations.
Explanation:
Hope this helps...
It’s D “doing 100 sit ups in 5 minutes”
Unicellular organism ...................................................................................................