d. because it is the correct answer
#4) B - deforestation because when you find a land that you like to crop on and it has trees, then you have to take down the trees in order to crop that land.
#5) C - ethnic group Definition: a community or population made up of people who share a common cultural background or descent.
Hope this Helps!!
C: depositing silt, which created rich soul for growing crops.
Answer:
Magnet - An object that attracts iron and a few (but not all) other
metals.
Magnetic Poles - Te parts of a magnet at which its force is strongest.
Magnetic Field - The space around a magnet in which the force of the
magnet acts.
Repel - To push back or away by a force.
Attract - to cause to draw near by a force witch one.
