Question

question 16
surface winds are swirl outward from a

low pressure center

high pressure center

question 17
in the southern hemisphere, surface winds swirl clockwise in a

low pressure center

high pressure center

question 18
convergence in the upper air favor the formation of a

low pressure center

high pressure center

Explanation:

• For Question 16: Surface winds swirl outward from a high - pressure center. In a high - pressure system, air moves away from the center (diverges). In a low - pressure system, air moves towards the center (converges).
• For Question 17: In the Southern hemisphere, surface winds swirl clockwise in a high - pressure center. In the Southern hemisphere, the Coriolis force causes air in a high - pressure system to move clockwise (opposite to the Northern hemisphere where high - pressure winds are counter - clockwise). In a low - pressure system in the Southern hemisphere, winds swirl counter - clockwise.
• For Question 18: Convergence in the upper air (air coming together in the upper atmosphere) causes air to sink. As air sinks, it compresses and forms a high - pressure center at the surface.

Answer:

Question 16: B. High Pressure Center
Question 17: B. High Pressure Center
Question 18: B. High Pressure Center