Answer:
aluminum: bauxite and corundum
Copper: chalcopyrite
Tin: Cassiterite
Explanation:
Meiosis. Sexual recombination. Crossing over. Independent assortment. Mutations.
The two MAIN sources would be genetic(sexual) recombination and mutations. Mutations allow for genetic variation, while genetic recombination allows for genetic shuffling. :)
To help the frog to maintain homeostasis
Answer:
yes its not alive all living things are made up of cells, if sth does not have cells its not alive
~batmans wife dun dun dun.....