It would be C Hope This Helps My friend :)
Two that I know of are a sextant, and maybe an astrolabe
Answer:
sand dunes
Explanation:
They are made in different ways but this maybe what you are looking for. It has to do with the wind as well.
To map the field of a variable quantity, you will want to use a system of temporary reference points within the field. This way, you'll be able to move within the study area without losing your geographical references. You'll be able to map things like trees, allowing you to make repeated measurements and verify your data.
The exosphere is the furthest out layer.
Hope this helps!
