A). What happens to the spectral lines between: i). Measurement 1 and Measurement2?

ii). Between 2 and 3

b). Between Measurement 1 and 2, what is happening to waves of the light coming from the object?

answer; ///(b) it is composed of four protein chains and four heme groups;

the tricuspid valve is present between right atrium and right ventricle

when it is at an intermediate population density

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.