Answer:
nitrogen gas and oxygen gas.
Explanation:
78% of earths atmosphere is made up of nitrogen and 21% is made up of oxygen.
Answer:
3.29ft/mi
Explanation:
The gradient of a river is the slope through which a river flows. It measures the vertical drop in elevation of river to the horizontal distance.
Mathematically;
River gradient =
Elevation = 1229ft
Horizontal distance = 373miles
River gradient =
= 3.29ft/mi
Frankfurt is the capital of Kentucky.
An objects place or location can be called its “position”
The sun (solar energy)
The Earth (geothermal) this can also be known as internal