IT IS D FOCAL POINT
P.S. im in middle school not trying to brag
Answer:
Tree sap flows over the leaf and preserves it.
Explanation:
Amber would preserve the image.
<span>Ionic bonding between sodium and phosphate ions.</span>
Answer:
About 60.
Explanation:
Mendeleev knew of 63 elements. He wrote their properties on cards and arranged them in order of atomic mass.
That's how he discovered that the properties of elements are periodic functions of their atomic masses.
Answer:
yes your answer is correct for this question.