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
flagItaly
56%
0%
18%
25%
16
flagNorway
53%
6%
13%
26%
15
flagPakistan
52%
0%
35%
11%
17
flagthe United Arab Emirates
46%
0%
23%
30%
13
flagIndia
43%
14%
19%
22%
120
flagthe Netherlands
40%
26%
13%
20%
30
flagthe United States
38%
11%
27%
22%
231
flagAustralia
38%
15%
30%
15%
13
flagCanada
38%
15%
7%
38%
13
flagthe United Kingdom
35%
11%
22%
30%
136
flagGermany
35%
12%
24%
27%
98
flagPoland
32%
15%
23%
28%
5546
flagUkraine
30%
20%
30%
20%
10
flagthe Philippines
26%
6%
20%
46%
15
flagUnknown
16%
20%
37%
25%
67
flagRepublic of Ireland
10%
25%
30%
35%
20
flagFrance
9%
45%
27%
18%
11

Gender

men34%
women29%
4 meters (13 feet)
34%
29%
20 meters (60 feet)
13%
13%
40 meters (130 feet)
21%
23%
80 meters (260 feet)
30%
33%

Details

Author: globalquiz.org
Illustration: Peter & Joyce Grace
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