If you are implying one these choices not needed for survival it would be parents only when you can survive on your own (I'm not that sure but I hope this helped the slightest but)
HOPE THIS works
Explanation:
Boiling water on a stove is an example of thermal energy. Thermal energy is produced when the atoms and molecules in a substance vibrate faster due to a rise in temperature.
The thymus is a vital role in creating white blood cells.
Answer:
1. Answer is B.
Explanation:
2. Bro this is something for the physics section, not biology.
<span>Vertebrates and invertebrates</span>
