Scientific studies show that identical twins who were separated at birth and raised in different homes may vary in height, weight, and intelligence.
The most probable explanation for these differences is that
A) original genes of each twin increased in number as they developed.
B) environments in which they were raised were different enough to affect the expression of their genes.
C) one twin received genes only from the mother while the other twin received genes only from the father.
D) environments in which they were raised were different enough to change the genetic makeup of both individuals.

but there is no

i guess you forgot putting it.

oxygen +1 most likely

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.