Which of the formed elements arise from myeloid stem cells? a) B cells
b) natural killer cells
c) platelets
d) all of the above

Twind is considered to be an abiotic factor because it.?

All individuals have two alleles for a given trait. according to mendel's these alleles are passed down one each from both mother and father.

1) what three conditions must be present for minerals to form through natural processes? 2) why are minerals considered inorganic substances? 3) how do oxides differ from other minerals that contain oxygen atoms? 4) how is a sulfide different from a sulfate? what makes native elements unique?