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
63%
4%
13%
18%
22
flagthe Netherlands
50%
18%
14%
18%
50
flagPakistan
47%
0%
38%
14%
21
flagNorway
47%
5%
17%
29%
17
flagItaly
45%
4%
25%
25%
24
flagCanada
43%
18%
6%
31%
16
flagIndia
40%
14%
21%
22%
134
flagthe United States
38%
11%
27%
22%
251
flagGermany
35%
12%
23%
28%
128
flagSweden
35%
5%
11%
47%
17
flagAustralia
35%
14%
28%
21%
14
flagthe United Kingdom
34%
14%
20%
29%
189
flagPoland
30%
16%
25%
26%
7980
flagRepublic of Ireland
30%
16%
27%
25%
36
flagUkraine
27%
16%
33%
22%
18
flagRussia
25%
33%
25%
16%
12
flagthe Philippines
23%
5%
23%
47%
17
flagUnknown
10%
25%
37%
25%
412
flagFrance
8%
41%
33%
16%
12
flagAustria
7%
14%
57%
21%
14

Gender

men27%
women28%
4 meters (13 feet)
27%
28%
20 meters (60 feet)
15%
14%
40 meters (130 feet)
26%
24%
80 meters (260 feet)
29%
31%

Details

Author: globalquiz.org
Illustration: Peter & Joyce Grace
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