Explain the meaning of the symbols as they are used in this expression. a + b < --> c + d question 1) a and b are: question 2) c and d are: elements only molecules only elements or molecules reactants products

Question 1) A and B are:  Reactants

Question 2) C and D are:  Products

It is a chemical process in which reactants  A and B react as represented by the (+) symbol, producing Product  C and D

<--> is the sign of reversible reaction that means A + B can form C and D, Similarly C and D can form A and B

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.