Answer:
metal to non metal ratio is 97/21 = 4.62 or
82.2% metals, 17.8% non metals
Explanation:
How do the numbers of metal and non-metal elements compare? Estimate an approximate percentage difference. (learning about the periodic table if...
of 118 elements in the periodic table , 21 are non metals (even H has metallic properties when approching 0 degrees K)
this means there ar 21 nonmetals and 118-21=97 metals.
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Answer:
(B) Movement depends on the balance between accumulation and wastage.
Explanation:
A Glacier is accumulation of snow over a particular region over many years. It is balanced by zone of accumulation and zone of wastage. The zone of accumulation is the top of the glacier where the snow or ice accumulates whereas the zone of wastage is the bottom region of the glacier which melts slowly over time. A glacier sustains if the zone of accumulation is greater than the zone of wastage.
