They use two different systems - xylem moves water and mineral ions from the roots to the leaves - phloem moves food substances such as sucroseand amino acids from leaves to the rest of the plant.
The best advisor source would be the national security advisor . The answer to your question is A. I hope that this is the answer that you were looking for and it has helped you.
The correct answer is D. All of the above.
Soil compaction is termed as the compression of particles of small to small volume which are then reduces their pore space size which is being available for water and air.
Soil compaction can result from;
1. Elimination or reduction of pore space in soil.
2. Heavy weight machine on soil.
3. Livestock walking over the soil.
Soil compaction can result to decrease in crop production and increase in erosion of soil.
T he purpose of the soil compaction is that large water pressure which is build up and causes soil liquefy in the time of earthquake.
A toxic substance is absorbed by a green plant and is completely blocking the production of ATP