Which statement best describes a characteristic of maritime polar air masses?

this is ans.

Explanation:

Continental Polar air masses (cP) are air masses that are cold and dry due to their continental source region. ... Polar air masses develop over higher latitudes over the land or ocean, are very stable, and generally shallower than arctic air.

it is very expensive

explanation:

emerald ash borer

the emerald ash borer is a green buprestid or jewel beetle native to north-eastern asia that feeds on ash species. females lay eggs in bark crevices on ash trees, and larvae feed underneath the bark of ash trees to emerge as adults in one to two years. hope this !