Answer:
the answer is A (or #1) because it is still testable but only because we haven't discovered everything yet
Answer:
The correct answer would be thrombin.
The last step in the blood clotting is the formation of a fibrin clot.
Thrombin is the serine protease (protein) enzyme which activates fibrin.
It converts the soluble fibrinogen into the insoluble fibrin which then results in the blood coagulation.
Stingrays lamphreys and trout those are the correct answers
The answer is b just answerd this question in class<span />
Answer:
blow dryer
refrigerator
phone
Xbox
Explanation:
they all use electrical current
