questionedithistorytranslations

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.
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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%
72%
4%
43
flagGermany
13%
9%
68%
8%
152
flagthe United Kingdom
18%
5%
67%
5%
478
flagAustralia
16%
3%
67%
11%
127
flagPakistan
15%
8%
67%
5%
123
flagIndia
18%
5%
66%
6%
1080
flagKazakhstan
9%
15%
66%
5%
102
flagUnknown
22%
14%
63%
0%
49
flagMalaysia
34%
0%
61%
2%
49
flagPoland
21%
10%
60%
6%
24232
flagthe United States
26%
6%
58%
5%
1158
flagthe Philippines
23%
4%
57%
10%
113
flagNigeria
30%
2%
56%
6%
143
flagBelarus
19%
13%
54%
12%
105
flagRussia
16%
16%
52%
13%
512
flagCanada
27%
7%
52%
9%
102
flagthe United Arab Emirates
25%
13%
52%
5%
36
flagFrance
28%
14%
51%
0%
35
flagUkraine
22%
16%
45%
12%
591
flagRepublic of Ireland
37%
13%
37%
8%
45

Which institution awards the Pulitzer prize?

Time
Swedish Royal Academy
Columbia University
United Nations

Which university in Western Europe is the oldest?

Oxford University
Bologne University
Sorbonne University
Padova University

Where is the main campus of the Columbia University?

On The Canaveral Seashore
Near Niagara Falls
On Manhattan
Near The White House

What is that?

graffitti
graffiti
grafiti
grafitti