Answer: the elevation of any landform is measured by the ocean floor.
Typically, the background of a study includes a review of the existing literature on the area of your research, leading up to your topic. Once you have discussed the contribution of other researchers in the field, you can identify gaps in understanding, that is, areas that have not been addressed in these studies.
Not sure if this is what you meant, if not, let me know
Problably grey and green. Grey for the importance of politics and green for the happiness social studies gives you.
The answers are:
- is found on the surface
- is a dark lava rock
- has more aluminum than magnesium
- is found as prominent buttes
Basalt is an igneous rock that forms with fast cooling on the surface.
Basalt is a dark fine-grained volcanic rock.
Aluminum can be up to 17% of the composition of the basalt, while magnesium up to 15%.
Basalt is found as buttes where lava flows from the volcanoes were intense.
