<span>Sydney</span><span>Melbourne</span><span>Gold Coast</span><span>Brisbane</span><span>Adelaide</span><span>Perth</span><span>Canbera
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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
Red Square (Russian: Кра́сная пло́щадь, tr. Krásnaya plóshchaď, IPA: [ˈkrasnəjə ˈploɕːətʲ]) is a city square in Moscow, Russia. It separates the Kremlin, the former royal citadel and now the official residence of the President of Russia, from a historic merchant quarter known as Kitai-gorod.
By observing how seismic waves are absorbed and refracted, scientist have been able to work out where the properties of the earth change dramatically. our understanding of the internal structures of the earth and the size of its core is based on these observations.
basically:
size of core
structure of the earth I.e. the layers of the earth
and I think the last one is how the internal structure is changing? not sure on the last one but its still a solid guess.
Answer:
Nothing legit nothing just have to accept it we have no technology to push a meteor away from earth
Explanation:
