All organisms descended from a common ancestor
Answer:
360,000 kilometers
Explanation:
Because the moon is the closest to the earth and sorry if it was no help and it wrong but i think its 360,000 kilometers.
Answer:
An isotope is one of two or more forms of the same chemical element. Different isotopes of an element have the same number of protons in the nucleus, giving them the same atomic number, but a different number of neutrons giving each elemental isotope a different atomic weight.
Explanation:
pretty sure its D
If you have one sickle cell gene, you have sickle cell trait and you will not develop the sickle cell disease. If you inherit two sickle cell genes, you have sickle cell anemia.
Answer:
because people where not alive yet oontill cenoznic era
Explanation:
