Complete the chain:ABC(1) Different density of corals in summer and wi

Complete the chain:ABC(1) Different density of corals in summer and winter(1) Ice cores(1) Understanding of past environmental conditions(2) Variation in environmental conditions(2) Goldilocks Zone(2) Summer snow different from winter snow(3) Samples of ice from inner sides of the ice sheets(3) Creates seasonal growth rings on corals(3) Earth was cooler when it was located in the outer reaches of this zone(4) Habitable zone in which the Earth lies(4) Tree rings(4) Determines the temperature of water and season in which coral grew

Answer»

A	B	C
(1) Different density of corals in summer and winter	(1) Creates seasonal growth rings on corals	(1) Determines the temperature of water and season in which coral grew
(2) Variation in environmental conditions	(2) Tree rings	(2) Understanding of past environmental condition
(3) Samples of ice from inner sides of the ice sheets	(3) Ice cores	(3) Summer snow different from winter snow
(4) Habitable zone in which the Earth lies	(4)Goldilocks Zone	(4) Earth was cooler when it was located in the outer reaches of this zone