a group of bone marrow disorders characterized by the insufficient production of blood cells due to dysfunction of the bone marrow is

Name the organs of humanelemintary canal.

What is the problem in this article? what solution does the article propose?

What do isotopes of uranium have the same number of? what do they have a different number of? a) same number of protons; different number of electrons b) same number of protons; different number of neutrons c) same number of electrons; different number of protons d) same number of neutrons; different number of protons