The law of included fragments states which of the following? select one: a. the age of a rock and the age of its fragments are the same. b. fragments found in a rock must be younger than the rock itself. c. fragments found in a rock must be older than the rock itself.

coal is not sustainable because it will one day run out.

the right answer is a. skin cells forming from sunlight.

the liver is an organ endowed with a fantastic ability to regenerate

. thus, if a hepatectomy (ablation) of 70% of the hepatic mass is performed in the rat, there is complete recovery in 7 to 10 days.

prokaryotes are beings that have existed since the existence of life on earth, and do not come from another realm.

ribosomes are organelles that exist naturally in eukaryotes, either in free form or attached to the endoplasmic reticulum.

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