a weather forecast predicts that a sunny week will be followed by a rainy weekend which pressure systems are likely to occur?
A. first a low-pressure system, and then another low-pressure system
B. first a low-pressure system and then a high-pressure system
C. first a high pressure system, and then another high pressure system
D. first a high pressure system and then a low pressure system
1 answer
D. first a high pressure system and then a low pressure system