Answer:
The answer is option d.
Ka = (H+)(H2PO4-)/(H3PO4)
Hope this helps.
The answer is C :
It controls the entry and exit of substances.
Answer:
Both i belive Health class
When carbon undergoes sp2 hybridization it forms methane ? I believe.
elements:
calcium : for strong bones
Iron : maintaining haemoglobin for metabolism
compunds
sodium chloride : to maintain blood pressure and other life processes
Adenosine Triphosphate: for metabolism, to maintain rate of inhalation and exhalation of oxygen and to supply energy
Mixture:
I) gasoline : used as fuel
ii) cement : used in construction
