What type of bacteria causes food poisoning

In terms of alternation of generations, the internal parts of the pollen grains of seed-producing plants are most similar to a ) moss sporophyteb) moss gametophyte bearing both male and female gametangiac) fern sporophyted) fern gametophyte bearing only antheridia

Explain the significance of thesaurus geographicus

Which situation is an example of not doing work? lifting a couch throwing a baseball running up stairs carrying a box