What 2 characteristics are used to place organisms into different kingdoms

There is a liquid capsule inside a cup full of liquid. the cup full of liquid has salt in it and the liquid capsule has no salt in it. in which direction will the solvent flow? a. the salt does not have to move b. from the capsule to the larger cup c. equally between the capsule and the cup d. from the larger cup to the capsule

Hemoglobin is a proton that carries oxygen around your body what is hemoglobin made from

What organs comprise the respiratory system of a bird