<span>Yellow marrow fills the canals of long bones, and red marrow is found in the rounded ends of long bones (for example, the femur). Red marrow is made up of components of blood (red & white blood cells, platelets), while yellow marrow is primarily composed of fat cells.</span>
Answer:
A) They form chemical bonds with other atoms
Explanation:
In chemistry, a valence electron is an outer shell electron that is associated with an atom, and that can participate in the formation of a chemical bond if the outer shell is not closed; in a single covalent bond, both atoms in the bond contribute one valence electron in order to form a shared pair.
The answer is letter C. That spontaneous generation didn't happe
Rudolf Virchow tried to prove that whatever cells existed had to come from pre-existing ones.
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"By working together voluntarily" is the statement among the choices given in the question that <span>best explains how railroad companies were able to standardize their timetables in 1883. The correct option among all the options that are given in the question is the second option or option "B". I hope it helps you.</span>