A sample of wood that originally contain 10 g of carbon-14 Now contains only 50 g of carbon 14 approximately how many years ago was the sample apart of living tree

Will someone me with this.. specialized cells which perform a particular function form: tissues organs or organism

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.

Climate warming trends allow plant and insect species to inhabit larger ranges. select the best answer from the choices provided