Jess has A- blood type (the negative refers to the status of the Rh antigen), has never received a blood transfusion, and never been pregnant. Antibodies against what blood antigens could be present in Jess' blood?

What must be true for natural selection to heppen

Osmosis is often viewed incorrectly as a process driven directly by differences in solute concentration across a selectively permeable membrane. what really drives osmosis? view available hint(s)osmosis is often viewed incorrectly as a process driven directly by differences in solute concentration across a selectively permeable membrane. what really drives osmosis? the first law of thermodynamicsthe difference in the height of water columns on either side of a selectively permeable membranethe difference in water concentration across a selectively permeable membranethe difference in sugar or ion concentration across a selectively permeable membrane

Long-period comets come from the oort cloud particles in earth’s atmosphere material from the asteroid belt the kuiper belt