The answer is: [A]: "primary consumers" .
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Answer:
methane (CH4) i'm not completely sure sorry if its wrong.
Explanation:
If a bacterium cannot use citrate agar will not change its color (stays green). On the other hand, if bacteria have the ability to use citrate, the medium will change its color from green to blue.
This happens because citrate agar contains pH indicator such as bromothymol blue which transforms from green to blue in alkaline conditions.
Patient with coronary heart disease will be prescribed a drug that disrupt the blood clotting mechanism to prevent recurrence of the heart attack. This drug will be dangerous if the patient has a wound because the bleeding will be profuse and hard to stop.
The doctor should prepare a more rigorous effort to stop the bleeding. The doctor should consider giving antidote for the drug. Vitamin K is one of the clotting factor that might be useful to counter warfarin effect.
Answer:
There children will be of A or B blood group with one or their antigen and an antigens if O type