Please help me with this, please fast

Ais a landform that is formed at the mouth of a river from the deposition of sediment carried by the river as the water flows.

Some birds look for food near cattle and other livestock. the movement of the cattle churns up the ground, making insects available to the birds. the cattle appear to be unaffected by the presence of the birds. what kind of relationship exists between the birds and the cattle? o a. parasitism o b. commensalism o c. predation o d. mutualism

The tubes transporting minerals and water upward are called ?