Which statement is true about a nickel-cadmium dry cell?(Use the activity series of metals below to help you predict the correct statement.) Most Active Li
K
Ba
Sr
Ca
Na
Mg
Al
Mn
Zn
Fe
Cd
Co
Ni
Sn
Pb
H
Cu
Ag
Hg
Least Active Au

The anode reaction is NiO2+H2O+2e−→Ni(OH)2+2OH−.

The cathode reaction is Cd+2OH−→Cd(OH)2+2e−.

The cathode reaction is Cd+NiO2+2H2O→Cd(OH)2+Ni(OH)2.

The cathode reaction is NiO2+H2O+2e−→Ni(OH)2+2OH−.

odds are decent that your handwriting right now looks a little bit different than it did five years ago, and will look different again in five more. when i look back through my notebooks from middle school to now, i see a long, slow progression from meticulous and teeny letters to bigger, sloppier ones, plus a few side detours: sometime in high school, for example, i decided those loopy cursive lowercase f’s were just the coolest, adopting them as the lone rep for cursive in my otherwise all-print handwriting.

explanation:

acid rain does not usually kill trees directly. instead, it is more likely to weaken the trees by damaging their leaves, limiting the nutrients available to them, or poisoning them with toxic substances slowly released from the soil. the main atmospheric pollutants that affect trees are nitrates and sulphates.