

Gwers blasu Blwyddyn 12
Presentation
•
Geography
•
12th Grade
•
Practice Problem
•
Hard
Heledd Hughes
Used 6+ times
FREE Resource
1 Slide • 9 Questions
1
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2
Multiple Choice
Faint o arwyneb y ddaear sydd wedi gorchuddio gyda iâ heddiw?
10%
20%
30%
3
Multiple Choice
Byddwch dim ond yn darganfod Rhewlifoedd yn y pegynnau (polar regions).
Cywir
Anghywir
4
Multiple Choice
Greenland yw’r Llen Iâ (Ice Sheet) mwyaf ar y ddaear.
Cywir
Anghywir
5
Multiple Choice
Pryd daeth yr Oes iâ mawr diwethaf i ben?
tua 100, 000 o flynyddoedd yn ôl
tua 1 miliwn o flynyddoedd yn ôl
tua 10,000 o flynyddoedd yn ôl
6
Multiple Choice
Pa mor hir roedd yr Oes Iâ mawr ddiwethaf wedi para?
5,700 o flynyddoedd
9,700 o flynyddoedd
11,700 o flynyddoedd
7
Multiple Choice
Yn ystod yr Oes Efydd (Bronze Age) a'r Oes Carreg Newydd (The New Stone Age) faint yn uwch oedd y tymheredd na heddiw?
1-2ºC.
3-4ºC.
5-6ºC.
7-8ºC.
8
Multiple Choice
Yn yr Oes iâ Fechan diwethaf (Little Ice Age) roedd rhannau o Sbaen hyd yn oed wedi rhewi.
Cywir
Anghywir
9
Multiple Choice
Mae symudiad platiau tectonig yn gallu achosi Newid yn yr Hinsawdd
Cywir
Anghywir
10
Multiple Choice
Pobl / gweithgaredd dynol yn unig sy’n gyfrifol o Newid Hinsawdd?
Cywir
Anghywir
​

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