Daianluiny viigutivui
balance the equations below:
1)
2)
__nz+ __h2 = _ nhz
_kcio3 → __kci + __02
_nacl + __f27_naf + __ck
- h2 + o2 + h₂o

explanation: it gains negative electrons, therefore becoming negatively charged. as charge cannot be created, nor destroyed, only transferred, this leaves the wool positive. now that they have opposite charges, the two items attract.

a pan containing water is placed in a positio n where it is exposed to a 10 mile per hour wind. the pan contains a uniform depth of 1.27 cm of water, is quite wide, and has a length of 2.44 m in the wind direction. the water in the pan is at a constant temperature of 15.5 °c.

it's c (engineer's do their work with mechanical stuff not on any living being)

answer seismograph;