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.
Grasslands are located on every continent with the exception of Antarctica. Some locations of temperate grasslands include: Hungary â puszta, New Zealand â downs, Central North America-plains and prairies, Russia â steppes, Australia â downs, South Africa â veldts, Argentina â pampas.emperate grasslands and savannas are two types of grassland biomes. Like savannas, temperate grasslands are areas of open grassland with very few trees. Biomes are the world's major habitats. They are identified by the vegetation and animals that populate them.