Fill in the blanks to complete the following sentences. each term may be used more than once. in a circular bacterial chromosome, the structure of dna is a double helix. if dna is twisted in the direction, it becomes overwound. overwinding results in supercoiling. if dna is twisted in the direction, it becomes underwound. underwinding results in supercoiling. one effect of supercoiling in bacterial chromosomes is to promote separation of the two strands of dna in the double helix. positive negative left-handed right-handed

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.

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in tropical forests it typically is hot with a lot of rain. when what is hot, it starts to evaporate and turn into water vapor.

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