Pregunta 1
Pregunta
select one or more of the following
Respuesta
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on the iron sheet
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only on the iron and the glass sheets
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only on the glass and the cardboard sheets
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on the glass sheet
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only on the irons and the cardboard sheets
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on the cardboard sheet
Pregunta 2
Pregunta
select one of the following
Pregunta 3
Pregunta
SELECT ONE OF THE FOLLOWING
Pregunta 4
Pregunta
select one or more of the following
Respuesta
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only her head
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head
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chest
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head and chest
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hands
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feet and hands
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feet
Pregunta 5
Pregunta
select one of the following
Pregunta 6
Pregunta
Select one of the following
Pregunta 7
Pregunta
Select one of the following
Pregunta 8
Pregunta
Select one of the following
Pregunta 9
Pregunta
Select one of the following
Pregunta 10
Pregunta
Select one or more of the following
Respuesta
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P
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P and S
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Q
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P and R
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R and S
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R
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S
Pregunta 11
Pregunta
[blank_start]Vaccines[blank_end] can provide the human body with long-term immunity against some diseases.
Pregunta 12
Pregunta
Robert put two drops of an indicator into vinegar, and the color turned red. He then added drops of ammonia solution until the color disappeared. [blank_start]Neutralization[blank_end] is the process occurred here.
Pregunta 13
Pregunta
select one of the following
Pregunta 14
Pregunta
Select one of the following
Pregunta 15
Pregunta
Which ice block will melt first? [blank_start]Ice block 1[blank_end]
Pregunta 16
Pregunta
select one or more of the following
Respuesta
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birds
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only birds and insects
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birds , insects and fish
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fish
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only mammals and fish
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mammals
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insects
Pregunta 17
Pregunta
When we suck up liquid through a straw,due to a pressure difference,the liquid moves up.The liquid flows from a region at [blank_start]higher pressure[blank_end] to a region at [blank_start]lower pressure[blank_end].In the figure ,a girl is drinking juice with the help of a straw. [blank_start]Mouth[blank_end] is the region where low pressure is created.
Respuesta
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higher pressure
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low pressure
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lower pressure
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high pressure
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air above the juice
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Mouth
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juice
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stomach
Pregunta 18
Pregunta
select one of the following
Pregunta 19
Pregunta
The graph looks like [blank_start]B[blank_end]
Pregunta 20
Pregunta
3 ice cubes of similar shape and size were kept on three different surfaces-glass,copper and concrete.the first to completely melt was the cube on the [blank_start]copper surface[blank_end],while the one on the [blank_start]glass surface[blank_end] melted last. [blank_start]Glass,concrete,copper[blank_end] is the arrangement from WORST heat conductor to best.
Respuesta
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glass surface
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copper surface
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concrete surface
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glass surface
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concrete surface
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copper surface
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concrete,copper,glass
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copper,glass,concrete
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glass,concrete,copper
Pregunta 21
Pregunta
[blank_start]R[blank_end] could represent HYDROCHLORIC ACID
Pregunta 22
Pregunta
Select one of the following
Pregunta 23
Pregunta
Select one of the following.
Pregunta 24
Pregunta
When a coil of gold wire is heated,it [blank_start]expands[blank_end].When it is heated it's weight will [blank_start]remain the same[blank_end]
Respuesta
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contracts
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expands
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increase
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decrease
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remain the same
Pregunta 25
Pregunta
Select one or more of the following
Pregunta 26
Pregunta
select one of the following
Pregunta 27
Pregunta
Select one of the following
Pregunta 28
Pregunta
Select one of the following
Pregunta 29
Pregunta
Select one of the following
Pregunta 30
Pregunta
The blue poison frog and the giant armadillo are species that are endangered in the tropical rainforests. [blank_start]Afforestation[blank_end] is responsible for the [blank_start]extinction[blank_end] of some of the species from tropical areas.
Respuesta
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Afforestation
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Deforestation
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Pollution
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Soil Erosion
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extinction
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extant