Answer:
O silicon (Si)
Explanation:
-Valence electrons are electrons of the outermost shell which can participate in chemical bonding. ... -As in silicon, four electrons are present in the outermost shell, so silicon has Four valence electrons.
The answer to this question is
Is diffusion active or passive transport of particles across the cell membrane?
"Passive Transport"
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Answer:
Granum
Explanation:
Singular form - grana. Chloroplast thylakoids are frequently stacked to form these disks.
