Answer:
Explanation:
tsfvsgugqwbgugwqhbdwqbdk s
Lack of antibodies because thats the stuff to fight things away
They breathe through their lungs while moving their throat or rib cage. Some reptiles can hold their breath for hours by simply not moving.
Answer:
I believe it is b but i am not 100% sure.
Explanation:
1.atom 2.energy level 3.atomic number 4.compound 5.shell 6.electrons 7.molecule 8.atomic mass 9.neutrons 10.diatonic 11.proton
