Will you be more ready than that when itâs time to talk to your daughter about her first period? That time may come sooner than you think. Although a girlâs first period usually occurs at about age 12, some girls experience their first period much earlier.
Air interdiction is a core airpower mission that has been conducted since World War I by virtually all air forces. In that war, the goal was to isolate the battlefield by strafing and bombing enemy supply lines.
Air frost. An air frost occurs when the air temperature falls to or below the freezing point of water. An air frost is usually defined as the air temperature being below freezing point of water at a height of at least one metre above the ground. Hoar frost.