Answer:
A. elevation
Explanation:
The elevation is the factor that influences the variety of temperatures within both the Rocky Mountains and the Himalayan Mountains because, with elevation, the temperature reduces on the mountain. at the bottom of the mount the temperature is milder while at the head of the mountain, the temperature is cooler and very low. So we can say that altitude is the principal factor in the variety of temperatures in mountains.
Answer:
Sustainable development is very necessary for the present world.
Explanation:
There is a great need of sustainable development because in sustainable development, we fulfill the needs of present population and also take care the future generation by using the resources in a proper and efficient way. The example of sustainable development is the recycling of already used substances which reduces the use of resources and also the cost of the product.
These numbers tell you the absolute location of the city of Beijing.