Why does the ice melt when you hold it in your hand? a.heat is transferred from your hand to the ice cube. b.heat from the ice cube is transferred to your hand. c.the ice cube radiates heat to your hand. d.your hand transfers temperature to the ice cube.

Yes.

Explanation:

Hydrogen-filled balloons were widely used by the militaries during World War I (1914–1918). The main purpose of these hydrogen-filled balloons to detect movements of enemy troops and to provide direction to the artillery fire. Balloons were the targets of opposing aircraft because they knew the purpose of these balloons so they hit it whenever seen by the enemies so we can say that both sides used hydrogen-filled balloons as military observer to watch the enemy's movements.