In addition to dna polymerase and primers, the polymerase chain reaction also requires, a. a large amount of dna, b. restriction enzymes, c. a supply of the four dna nucleotides, d. complementary sequences of dna

The answer isC. a supply of the four DNA nucleotides

PCR or polymerase chain reaction is used to amplify the desired DNA sequence into million copies. DNA polymerase, primers, a supply of the four DNA nucleotides. A large amount of DNA is not necessary since we will amplify it in the PCR. Restriction enzymes would cut DNA, and complementary DNA sequence would bind to DNA and disable its amplification.

the answer to you question is   jet streams

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.