Answer:
The efficiency of the constuction is 9.0
Explanation:
4,200,000,000.
There ya go.
Let height of twin falls = x
height of seven falls = 2.5x
x + 2.5x = 420
3.5x = 420
x = 420/3.5 = 120
so twin falls = x = 120 ft
seven falls = 2.5x = 300 ft
A. Andesite
Members of the diorite family<span> have an </span>intermediate<span> composition that is neither felsic nor mafic but has characteristics of both. ... Diorite, a coarse-grained rock, has less quartz than </span>granite<span> and less plagioclase feldspar than gabbro. Andesite is a fine-grained member of the diorite </span>family<span>.</span>