I suck at biology can someone help me answer this question???

Select the true statements about eubacteria. most live as decomposers and heterotrophs. most only thrive in a narrow range of environments. certain eubacteria are responsible for food poisoning. eubacteria thrive in extreme environments.

Which component in a graph indicates an independent factor? a. y-axis b. x-axis c. scale

10. in which phase will crossing-over occur? a. mitosis b. metaphase ii c. prophase i d. meiosis ii