Regarding the following experiment

https://9arevision.wikispaces.com/file/view/kl%3Bkl'.gif/33170891/kl%3Bkl'.gif

A sceptical student suggested that the number of bubbles was dropping off as the lamp got further away because the pondweed was dying.

How could they investigate to show that this is not true?

Question

Regarding the following experiment

https://9arevision.wikispaces.com/file/view/kl%3Bkl'.gif/33170891/kl%3Bkl'.gif

A sceptical student suggested that the number of bubbles was dropping off as the lamp got further away because the pondweed was dying. 

How could they investigate to show that this is not true?

anonymous · Answer

@Abhisar @Opcode @HelpBlahBlahBlah @iambatman @AngelWilliams16

anonymous · Answer

bro wth

anonymous · Answer

are u high or is this a real question

anonymous · Answer

o.O 
it's a question.

anonymous · Answer

they can take a video to see if it is true or nah

anonymous · Answer

interesting but i dont know

anonymous · Answer

you know what i got this

anonymous · Answer

they can move the lamp back to see if it doesn't die and starts growing

anonymous · Answer

So you think that the student should take the lamp back further and then film it over a period of time, to see if it dies or not? 
[this seems kind of common sense now lol xD thank you :)]

anonymous · Answer

your welcome