Trace fossils, like coprolite and gastrolith, can tell us what?

a. that an organism was once active in an area

b. typical number of dinosaur eggs in a nest

c. exactly how big an organism was

d. that an organism was never active in the area

i am going to guess that it is co2.

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.