What is a trigger for opening a sequoia cone?

frost
fire
flood
earthquake
Young sequoias are able to grow suc­cess­ful­ly only in mineral soils in full sun­light, free from com­pet­ing veg­e­ta­tion. They there­fore require periodic wildfire to clear the area. Due to very thick bark, the fire doesn't harm sequoia.

Answers distribution

frost
fire
flood
earthquake
answers
flagthe United Arab Emirates
3%
72%
3%
20%
29
flagItaly
20%
65%
10%
3%
29
flagNorway
10%
65%
20%
3%
29
flagGermany
20%
64%
7%
6%
202
flagthe Netherlands
18%
64%
11%
5%
70
flagRepublic of Ireland
18%
62%
9%
7%
53
flagthe United Kingdom
20%
61%
8%
9%
429
flagFrance
20%
61%
7%
10%
39
flagCzech Republic
21%
60%
8%
8%
23
flagPoland
19%
59%
10%
9%
17665
flagthe United States
19%
57%
8%
12%
844
flagCanada
20%
56%
12%
7%
55
flagPakistan
26%
55%
5%
11%
68
flagAustralia
14%
55%
11%
14%
34
flagIndia
21%
46%
11%
19%
404
flagthe Philippines
17%
46%
1%
34%
52
flagSpain
25%
40%
10%
20%
20
flagLithuania
21%
39%
21%
10%
28
flagUnknown
28%
38%
15%
17%
611
flagMalaysia
44%
38%
5%
11%
18

Gender

men53%
women53%
frost
23%
21%
fire
53%
53%
flood
11%
11%
earthquake
11%
13%

Language versions

question
answers
results
flag
What is a trigger for opening a sequoia cone?
1881
51%

Details

Author: globalquiz.org
Illustration: bumeister1
tools
Should this question be improved? Improve it.
Globalquiz questions are translated by users for other users. Translate this question.