For most females the first menstrual period happens between ages 9 years and 13 years and continues until 45 years of age to 60 years of age. Calculate the range of their possible reproductive years.​

true, i don't really know what you're asking but from the info you provided im guessing the answer is true.

answer: grassland biomes are closer to the equator and receive more rain.

grasslands are biomes that are dominated by grasses rather shrubs and trees. savanna are biomes that exhibit grasses, shrubs and small tree as vegetation. grasslands are located near the equator of the earth. these are found in north america. savanna biomes are found in africa, south america, australia and india. grassland exhibit moderate climatic conditions, it receives   amount of rainfall higher than savanna.   therefore, savanna exhibit dry and hot climatic conditions.