Question

mendeelev's periodic table

Answer 1

Answer:

Mendeleev's Periodic Law states that the physical and the chemical properties of the elements are a periodic function of their atomic masses. Mendeleev arranged the elements known at that time in order of increasing atomic masses and this arrangement was called periodic table.

Answer 2

Answer:

WHAT IS PHOTOSYNTHESIS ?

Photosynthesis is the process by which plants use sunlight, water, and carbon dioxide to create oxygen and energy in the form of sugar.

Explanation:

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