Why must you avoid touching the gas Spectrum tubes?

The spectrum tubes can get hot, especially at their narrow neck. Avoid touching the glass with your fingers. CAUTION: Do not touch the high voltage electrodes of the spectrum tube power supply. Though the voltage is high, the current is low, and won't kill you.

Heya dearfirst love doesn't matter what the it's just happen so we cannot say that minor in love with someone over 18 years old

The independent variable is the type of music.the dependent variable is the pulse rate.the intervening variable is the age of the subject.if the mother does not like rock, her pulse is likely to not increase.the same might be true for the sister.the friend may like rap and gets excited.to establish cause/effect relationship, all of the subjects must be consistent.hope i .