-humerus femur
A They both attach their respective limbs to the axial skeleton.
B. They both have similar joints at each end.
C. They both are extremely strong and made only of compact bone.
OD. They both have hollow spaces filled with bone-generating cells.
E.
They both protect vital organs.

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for example, no new evidence will demonstrate that the earth does not orbit around the sun (heliocentric theory), or that living things are not made of cells (cell theory), that matter is not composed of atoms, or that the surface of the earth is not divided into solid plates that have moved over geological timescales .

answer: i feel like it would be 3

explanation: