If you're referring to plants, your answer is the Epidermis.
Hope this helps! :)
Answer:
they don't depend on the temperature
Mg is magnesium. NO3 is nitrate. This gives you magnesium nitrate as an answer.
Potassium carbonate<span> (K</span>2CO3<span>) is a white salt, </span>soluble in water<span> (</span>insoluble<span> in ethanol) which forms a strongly alkaline solution. </span>
