Asked by Joyce in Science

A deflated balloon was placed in an air-tight container with a syringe connected to it. When the plunger of the syringe was pulled downwards, the balloon inside the container inflated. Explain how the balloon was able to inflate as the plunger was pulled downwards.

Asked by Farah in Science

Sue carried out an experiment to find out how the exposed surface area of water affects the rate of evaporation.She filled three containers , A,B and C, with water as shown below. She left the containers in the same room.

Asked by Joyce in Science

My answer was 4 but the correct answer turned out to be 3. Please give me a through explanation, it will be appreciated.

Asked by George in Science

I need help

Asked by Joyce in Science

What is the advantage of having many tiny tubes in the stem to transport water and food instead of just one tube?

Asked by Marcus in Math

Can you help me in this question?thank you!

Asked by Anna in Math

May i know how to do this

Asked by Fatina in Math

how to do this question?

Asked by Fatina in Math

how to do this maths question?

Asked by Jenson in Math

Can someone help me out with this question. Thanks.

Asked by Yiteng in Math

please help me

Asked by Yvette in Math

A rope which is wound round a drum of diameter 21cm is attached to a bucket that is resting at the bottom of a well of depth 9.89m.Find the number of complete turns of the handle required to bring up the bucket such that the bottom of the bucket is suspended just above the mouth of the well.

Asked by Hanish in Math

Alice had 50 dollars more than sally at first. 
They went shopping together and alice spent twice as sally.Then sally had t twice as much as alice left.the money sally had left was 14 dollars more than what she spent. 
a) how much did they spent altogether? 
b) how much did each of them have at first?

Asked by Hanish in Math

Alice had 50 dollars more than sally at first.
They went shopping together and alice spent twice as sally.Then sally had twice as twice as much as alice left.the money sally had left was 14 dollars more than what she spent.
a) how much did they spent altogether?
b) how much did each of them have at first?

Asked by Jian in Science

What can we conclude based on the results [email protected] table ?

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