When a mycelium infiltrates an unexploited source of dead organic matter, what are most likely to appear within the food source soon thereafter?.

The idea of spontaneous generation was disproved by in a experiment involving jars of meat

Ihave no idea how to solve these. plus there's another question that is 2) a 10 kilogram meteorite is collected in space and brought back to earth. it is composed of 1.25 kg of uranium-238 and 8.75 kg of lead-206. how many u-238 half lives have passed? what is the approximate age of the meteorite?

¿cómo demostraron los experimentos de griffith que un factor hereditario estaba involucrado en la transformación bacteriana?