A couple girls have been working on a Science Fair project and are stuck on this piece

When I try upload and calibrate a photo, I get an error message. The intensity is not an absolute measure – just a proportion of the dynamic range of the camera sensor. Also, one last question; in addition to the percentage of intensity, is there a unit for the intensity?_ Anastacia:Meanwhile I am eating potato… Continue reading A couple girls have been working on a Science Fair project and are stuck on this piece
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Kizzy:
Maybe I'm just OCD? but my friend lives in filth?
(2 December 2016)

Phoebe:
A friend of mine raped me..what do I do?
(2 December 2016)

Charmaine:
What to do I say when a girl says her and another guy are getting serious?
(2 December 2016)

Charmaine:
Is there something I can say to show that I'm still interested?
(2 December 2016)

Charmaine:
I figure she's being nice, and I should just take the hint, but I don't want to just not respond.
(2 December 2016)

Charmaine:
Today we were messaging back and forth and she said she's been growing close to a guy at school.
(2 December 2016)

Charmaine:
We've texted a bit back and forth and, after a couple of times where she took a few hours or days to respond and I was about to cut it off, she keeps coming back and we have conversations.
(2 December 2016)

Charmaine:
She goes to school about 2 hours away, and I've never done anything long distance, but I really thought she was cool, and I'm busy with work and stuff so why not?
(2 December 2016)

Charmaine:
I went on a date with this one girl a few weeks ago, and it went well.
(2 December 2016)

Cyndi:
I'm trying to see when my friend was last online on Skype on a mac?
(2 December 2016)