There is only one main element involved in the fusion reactions inside the sun; Hydrogen, but if you need a second element then it is more than likely that the question is asking for the isotope of hydrogen that is called <span>deuterium.
So basically, Hydrogen and Deuterium; an isotope of hydrogen</span>
The kidneys.
The kidneys keep blood isotonic by removing excess salt and water through urine.
3. <span>They bloom at night.
4. </span><span>hunting in packs
5. </span><span>sleeping
Hope this helps!</span>
Answer:
If your blood pH levels aren't regulated then your blood will be like acid and potentially be fatal.
Explanation:
Your body tries to maintain homeostasis so regulating blood pH levels is vital.
Answer:
15. Cell 4 and Cell 7 will not be able to synthesize a major biological molecule. What molecule is this? Protein.