Around 60 degrees north and south latitude are:
a. Cyclones systems of low pressure
b. Cyclonessystemsof high pressure
c. Anticyclonessystemsof low pressure
d. Anticyclonessystemsof high pressure
a. Cyclones systems of low pressure
b. Cyclonessystemsof high pressure
c. Anticyclonessystemsof low pressure
d. Anticyclonessystemsof high pressure