Final answer:
The climate zone with cool summers, cold and harsh winters, a dry climate, and sparse vegetation is the subtropical steppe climate zone.
Step-by-step explanation:
The climate zone that has cool summers, cold and harsh winters, a dry climate, and sparse vegetation is the subtropical steppe climate zone.
Subtropical steppes are found in regions with limited precipitation and are characterized by hot summers and cold winters. They have a semi-arid climate, which means that they experience low rainfall. Vegetation in subtropical steppes is typically made up of drought-resistant grasses and shrubs.
Learn more about Climate Zones