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.
Solution:
Cell membrane contains atp synthases in gram positive or in gram negative bacteria.
This is the required answer.
The machine found no kidney stones and the patient is healthy
Answer:
A. organisms die or leave an area
