The dangers that scientists face when they study volcanoes is the danger of being killed by the hot lava if it erupts so they put their life at risk by studying these dangerous natural disaster.
On and under are grammatically correct the other 2 are questionable
Answer:
Well it basically means you:can write or type or whatever yoir doing either 6 sentences or you can do 8 sentences. you do you
Answer:
Sustainability is the method of using a resource to ensure its long term availability.
Explanation:
It is the balance between the human and ecosystem, the use f resources in a manner that they are not depleted.
Sustainability has been a matter of concern especially in the environmental protection and development debate. The idea being, advancement in development with means that ensure a safe environment for its conservation so as to ensure its continuity for the benefit of current and future generations.