Since 1998, Harvard University wraps marble statues on its campus with waterproof covers every winter. Why?

to protect from frost
to protect from birds
to protect from acid rains
to protect from graffiti makers
The eastern third of the United States is significantly impacted by acid rain. Acids in the rain react with the calcium compounds in the stones like limestone or marble to create gypsum, which then flakes off.
globalquiz.org
0
Correct this question
3
Very interesting!
reach: rather globalartchemistryecologymonumentsnatureuniversities

Answers by country

to protect from frost
to protect from birds
to protect from acid rains
to protect from graffiti makers
answers
flagthe Netherlands
11%
9%
71%
4%
42
flagIndia
18%
5%
67%
5%
1077
flagthe United Kingdom
18%
5%
67%
5%
474
flagAustralia
16%
3%
67%
11%
127
flagPakistan
15%
8%
67%
5%
123
flagGermany
13%
10%
66%
9%
140
flagKazakhstan
10%
16%
64%
6%
97
flagUnknown
22%
14%
63%
0%
49
flagMalaysia
34%
0%
61%
2%
49
flagPoland
21%
10%
60%
6%
24067
flagthe United States
27%
6%
58%
6%
1148
flagthe Philippines
23%
4%
57%
10%
113
flagNigeria
31%
2%
56%
7%
141
flagCanada
26%
7%
53%
9%
101
flagBelarus
20%
13%
53%
12%
99
flagthe United Arab Emirates
25%
13%
52%
5%
36
flagRussia
15%
16%
51%
14%
481
flagFrance
28%
14%
51%
0%
35
flagUkraine
22%
17%
46%
11%
564
flagRepublic of Ireland
38%
13%
36%
9%
44