Irrigation system gave the ancient civilizations fertile land which helped crops grow. It also allowed for ease of watering which made the process of farming faster.
Answer:
sorry i don't know this answer of this question
Answer:
It is active transport
Explanation:
because the ions are moving against the concentration gradient
It would be an antioxidant, and the most commonly used antioxidant would be absorbic acid.<span />
I guess its proteins?? because its needed for building protoplaam
