What evidence indicates that the Earth is 4.6 billion years old? using carbon 14 dating methods on earliest life forms
using the radiometric dating of early Earth rocks
calculating the cooling rate of the Earth's mantle
adding up the layers of rock strata​

If animal agriculture was eliminated, how much grain would become available for human consumption?

Agroup of plant cells was exposed to radiation, which damaged the chloroplasts and caused them to lose function. if the mitochondria were unharmed, what would happen to the overall function of the plant cells? a. the cells would not be able to make food, but would be able to release energy from biomolecules. b. the cells would not be able to replicate dna, but would be able to break down waste. c. the cells would not be able to break down waste, but would be able to replicate dna. d. the cells would not be able to release energy from biomolecules, but would be able to make food.

Which best example best demonstrates the importance of having knowledge of evolutionary relationships? a. illustration of a plant b.organ transplantation between species c. blood donation from a human d. do you need sequence of an insect.