D. Germs is the correct answer.
Answer:
Complementary angles
Explanation:
Complementary angles. Because ∠EFB = 90° ⇒ ∠EFA = 90°
∠AFC + ∠EFC = 90°.
Hence, the correct answer is complementary angles.
So you will push yourself more then ever to get there before the deadline
<span>Blood.Arteries, veins and capillaries.<span>The Heart.
Hope this helps. :)
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