8. Which of the following determines the identity of an atom? a. isotope
b. atomic mass
c. atomic number
d. charge

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

What type of organism is a one-celled organism that functions as a single unit? a. bi-celled b. single-celled c. pre-celled d. multi-celled

The same agricultural practices are used in every country of the world. select the best answer from the choices provided t f