Answer:
Los materiales que se pueden imantar al estar cerca de un imán son los materiales Paramagnéticos, ya que en estos materiales los espines de los electrones se orientan en la misma dirección del campo magnético que le fue aplicado.
Answer:
They are parasitic.
They are not a roundworm.
Leeches lack setae.
Yes they do have medical uses.
Yes leeches are segmented.
Sorry if I am wrong
1.Fertilization occurs when sperm fuses with egg.
2.Bacteria
Just took the test and they were both correct.
An increase in A produces and increase in X
This is a positive feed back mechanism. This mechanism enhance or amplify changes. This tends to alter the balance away from equilibrium because one hormone will increase the release of the other hormone. An example of this is the child birth. During labor, oxytocin is released to increase the uterine contraction the release of oxytoocin will be induced by the contractions of uterus. This will go on until the child was born. Just remember positive feedback enhance the original stimulus.