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2. The rate at which glaciers melt is increasing globally. The Saskatchewan Glacier near Banff has receded 1.5 km in the last 75 years. The Peyto Glacier shown below receded 1320 m from 1923 to 1993. Which glacier had the greater annual rate of melting?​

Respuesta :

sqdancefan

Answer:

  Saskatchewan Glacier

Step-by-step explanation:

You want to know the greater rate, 1.5 km in 75 years, or 1320 m between 1923 and 1993.

Rates

The rate of glacier recession is the ratio of distance to time:

Saskatchewan Glacier

  (1500 m)/(75 yr) = 20 m/yr

Peyto Glacier

  (1320 m)/(1993 -1923 yr) = 1320/70 m/yr ≈ 18.86 m/yr

The Saskatchewan Glacier had a greater annual rate of melting.

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