Explanation:
Chlorine gas bleaches the damp litmus (red or blue). Bleaching is an oxidation process.
Note that
1 m = 3.2808 ft
Therefore
1 km = 3280.8 ft
and

Answer: 1.0682 x 10⁵ ft/hr
You put precipitation in the wrong place the answer is D+A (number 4)
Answer:
During a total lunar eclipse, the Earth lies directly between the sun and the moon, causing the Earth to cast its shadow on the moon.
Explanation: