Which was not an adaptation that enabled amphibians to live on land? A- Ability to breathe oxygen
B- ability to lay eggs
C- Strong Limbs
D- Thick skin
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Vi. on another planet, a spring with constant 4.7 n/m is set up and allowed to expand verticaly freely. 8.4kg mass is placed on the spring and the spring extends 5.28m. calculate the exected extension on earth.