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
flagPakistan
55%
0%
33%
11%
18
flagItaly
50%
5%
20%
25%
20
flagNorway
50%
6%
12%
31%
16
flagthe Netherlands
43%
20%
15%
20%
39
flagIndia
42%
13%
19%
23%
123
flagthe United States
37%
10%
28%
22%
241
flagCanada
35%
21%
7%
35%
14
flagAustralia
35%
14%
28%
21%
14
flagthe United Kingdom
33%
14%
21%
30%
163
flagGermany
33%
13%
23%
28%
115
flagPoland
30%
16%
25%
27%
7100
flagRussia
30%
20%
30%
20%
10
flagUkraine
25%
25%
33%
16%
12
flagthe Philippines
23%
5%
23%
47%
17
flagRepublic of Ireland
13%
21%
34%
30%
23
flagUnknown
9%
26%
38%
26%
365
flagFrance
9%
45%
27%
18%
11

Gender

men28%
women28%
4 meters (13 feet)
28%
28%
20 meters (60 feet)
15%
14%
40 meters (130 feet)
26%
24%
80 meters (260 feet)
29%
32%

Details

Author: globalquiz.org
Illustration: Peter & Joyce Grace
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