yES IF SPRAYPAINTED FOR HALLOWEEN
yes, they can turn blue.
No
Yes. Their skin will turn a blue/black color.
They don't. Not always, anyway.
No a carrot can not turn you blue.
Usually their skin will turn rosy red when you hit them, but can turn blue and purple if you hit them hard enough.
Red blood cells need oxygen. Oxygen is what gives blood that bright red color. When blood is lacking oxygen, it turns dark and that's why people turn purple or blue.
Acid turns it in red, while base will turn it blue.
No. The beetle does not turn the tree blue.
Acids turn blue litmus pink and bases turn pink litmus blue.
No, blue eyes can occur in people of any race or ethnicity. While blue eyes are more common in people of European descent, they can also be found in other populations around the world.
no it will turn purpel