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Subject: Science, asked 3 weeks, 1 day ago

viii)the role of alcohol in the activity to show that leaves make food by photosynthesis is ?
a) to kill the cells of the leaf.
b) to detect the presence of starch
c) to prevent the leaf from absorbing sunlight
d) to remove the chlorophyll present in the leaf.

Subject: Science, asked 3 weeks, 1 day ago

Which of the following is not the characteristic of the image obtained in a pin hole camera?
a) Inverted compared to the object
b) Black in color
c) Real
d) Smaller than the object

Subject: Science, asked 3 weeks, 2 days ago

What is the answer and explanations

Subject: Science, asked 3 weeks, 3 days ago

Maira kept a bowl of moong seed in water . The next day ,she drained the water ,tied the seeds in a cloth ,and kept it disturbed in the fridge .she was surprised to see that seeds did not sprout even after four days . what do you think her mistake was ?

Subject: Science, asked 3 weeks, 3 days ago

you are stranded on an island and you prepare salt by collecting sea water in shallow pits . however , it is contaminated with sand and gravel .suggest methods to purify it so that it can become fit for consumption .

Subject: Science, asked 3 weeks, 3 days ago

Rani was served a milk drink that was excessively sweet.can you suggest a method to decrease the sweetness of the drink ? give reason ?

Subject: Science, asked 3 weeks, 3 days ago

Answer the 1. A,b,and c

Subject: Science, asked 3 weeks, 3 days ago

in what situation would be more appropriate to use a string along a ruler to make length measurements ? explain how such a measurement would be made ?

Subject: Science, asked 3 weeks, 4 days ago

name two instruments that can be used to measure length.explain how a ruler can be used to measure length.

Subject: Science, asked 3 weeks, 4 days ago

discuss the importance of having standard units of measurements.

Subject: Science, asked 3 weeks, 4 days ago

write a short note on how transportation has evolved from ancient to modern times?

Subject: Science, asked 3 weeks, 4 days ago

Identify and name the characteristic of life which expressed in Bold

Subject: Science, asked 3 weeks, 4 days ago

can you see clearly through a transparent material ? give two examples of transparent material . describe an activity to determine whether a given object is transparent or not ?

Subject: Science, asked 3 weeks, 6 days ago

How Dissolution of sugar in water are reversible?
How to convert into simple water?

Subject: Science, asked 3 weeks, 6 days ago

What happened if we pour 1crore ton of liquid nitrogen to sun? Does sun get freezer or the liquid nitrogen will fail to freeze sun?

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