<span>when a sound from a source is refracted a way from the surface of the earth, it gives an indication that the : c. air is cooler than the ground
The sound wave's speed is heavily relied on mediums that spread across the air, and these mediums are really sensitive and easily responded to change in temperature</span>
More info? if not then things like erosion and plate movements
Explanation:
(a)
There is inverse relation between concentration of aluminium and pH value and it can lead to aluminium toxicity. In this case it will dominate in the form of Hydroxy- aluminium, Al³⁺ cation and polynuclear species.
(b)
Various minerals are brought to the soil during its formation . As we know the pedogenesis process starts due to erosion of the rocks and rocks contain various minerals, of which aluminium is also a part. With time, aluminium gets dissolved in water and the soil and as the rocks become soil after going through various processes like traction, solution etc, it gets aluminium ions also with it.
The united states’ geography would influence their foreign policy until this time
<h3>
What is foreign policy?</h3>
- Geography has been more of an ally than an enemy since the beginning of the nation. An island cannot control an entire continent, as the British discovered.
- America was undoubtedly exposed in those foreign policy. With their imperial aspirations, the French and Spanish posed a threat to North America.
- The British also weren't willing to give up easy; in 1812, the king's troops invaded and set fire to areas of Washington, and they did so again during the American Civil War.
- Nevertheless, for the majority of its history, the United States had a foreign policy unmatched by other nations.
To learn more about foreign policy with the given link
brainly.com/question/27950081
#SPJ4
B native elements is the class of minerals
