Â©2003 Why is there a decision to make about having mammograms to screen for breast cancer? A mammogram every two years to screen for breast cancer reduces the chance of dying from breast cancer among women aged 50 to 69 years. It is unclear if women aged 70 years and older get the same benefits. mammogram every two years to screen for breast cancer reduces the chance of dying from breast cancer among women aged 50 to 69 years. It is unclear if women aged 70 years and older get the same benefits.
Temperate grasslands are located north of the Tropic of Cancer (23.5 degrees North) and south of the Tropic of Capricorn (23.5 degrees South). The major temperate grasslands include the veldts of Africa, the pampas of South America, the steppes of Eurasia, and the plains of North America.
Most temperate grasslands are located in Africa, South America, Hungary, Russia and North America. Most of the grasslands exist north of the Tropic of Cancer at 23.5 degrees north in latitude and south of the Tropic of Capricorn at 23.5 degrees south in latitude.nfluences. The soil of the temperate grassland consist of a dark, fertile loam. The decay of the grasses that grow there contributes to the nutrient-rich soil, helping the next generation of plants to grow and thrive.