Researchers want to use edna to look for an invasive species in a waterway. which of these steps should they do first?
a. cut dna into small pieces
b. sort dna into bands on a gel
c. precipitate dna in each sample
d. amplify the amount of dna

compost can be added to topsoil as a:

pesticide

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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.