
Unidade 1
Authored by Alexandra Carvalho
Science
8th Grade
Used 2+ times

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12 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Qual destes gases não estava presente na atmosfera primitiva?
oxigénio
amónia
metano
vapor de água
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
O efeito de estufa é responsável...
pela proteção contra a radiação UV
pela temperatura amena da Terra
pela existência de água no estado líquido
pela existência de atmosfera
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a principal consequência do aumento da temperatura global?
derretimento das calotes polares
aumento da biodiversidade
aumento da produção agrícola
extinção de espécies marinhas
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Qual destes fenómenos é um exemplo de efeito de estufa?
chuvas ácidas
ondas de calor
nevões intensos
ondas de frio
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Qual a função da camada do ozono?
absorver radiação UV
regular a temperatura
filtrar poluentes
produzir oxigénio
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
O aparecimento de oxigénio na atmosfera deveu-se...
à camada do ozono
ao efeito de estufa
à respiração celular
à fotossíntese
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Os primeiros organismos fotossintéticos foram...
algas
plantas
cianobactérias
peixes
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