How deep is the root system of a giant sequoia?

4 meters (13 feet)
20 meters (60 feet)
40 meters (130 feet)
80 meters (260 feet)
The sequoias root system is wide spread­ing, but shallow. There is no taproot. A mature se­quoia's roots can occupy over 1 acre of earth and contain over 90,000 cubic feet of soil.

Answers distribution

4 meters (13 feet)
20 meters (60 feet)
40 meters (130 feet)
80 meters (260 feet)
answers
flagthe United Arab Emirates
58%
0%
17%
23%
17
flagItaly
47%
4%
21%
26%
23
flagPakistan
47%
0%
38%
14%
21
flagNorway
47%
5%
17%
29%
17
flagthe Netherlands
45%
19%
15%
19%
46
flagCanada
43%
18%
6%
31%
16
flagIndia
41%
14%
19%
23%
125
flagthe United States
37%
10%
28%
22%
243
flagGermany
35%
12%
23%
28%
124
flagAustralia
35%
14%
28%
21%
14
flagSweden
35%
7%
14%
42%
14
flagthe United Kingdom
34%
15%
20%
30%
173
flagRepublic of Ireland
33%
18%
24%
24%
33
flagPoland
30%
16%
26%
27%
7475
flagRussia
30%
20%
30%
20%
10
flagthe Philippines
23%
5%
23%
47%
17
flagUkraine
21%
21%
35%
21%
14
flagUnknown
9%
25%
38%
26%
392
flagFrance
8%
41%
33%
16%
12

Gender

men27%
women28%
4 meters (13 feet)
27%
28%
20 meters (60 feet)
15%
14%
40 meters (130 feet)
27%
24%
80 meters (260 feet)
29%
32%

Details

Author: globalquiz.org
Illustration: Peter & Joyce Grace
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