Silicon, it's bring brother would be the prime candidate, although its compounds are notably different from those of carbon.
<em>Transport of substances across cell membrane:</em>
<em>Carrier proteins facilitate transport of material across a membrane by changing its shape to allow a substance to pass through its membrane. It transports substances from high concentration to lower concentration levels.</em>
Answer:
Nitrogen
Explanation: nitrogen is around 70% of the air hope this helps god bless
Answer:
+7
Explanation:
It will become MORE positive to + 7