her is this from google
"A system of temporary reference points established in the field allows users to move freely within the study area without losing the geo-referencing. It allows the user to perform the mapping of trees, deadwood, transects, repeated measurements and data verification."
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.
In this question, there are no options given. So we have to answer based on our knowledge. Aid agencies estimated that approximately four million residents of Ethiopia required food aid in 2009. Ethiopia is a country that has long suffered from drought and famine. The people of Ethiopia has long survived on the basis of the food aids they have received.