Western Europe has advanced communications and transportation systems. A city in Western Europe is London.
Answer: Flooding and wet weather are expensive to farming-based land because they cause delays in and reduction of crop harvest. If soil is too wet it can result in poor conditions for the crops to grow; when soil is well drained then the oxygen, things that act as foods and trace elements that the plant needs are available.
Explanation:
The theory is that because the oceanic plate is denser than the hotter mantle beneath it, this contrast in density causes the plate to sink into the mantle. The process of a tectonic plate descending into the mantle is termed subduction. Slab pull occurs when an oceanic plate subducts into the underlying mantle.
B. Revolution. I think?
(And sorry you had to wait a whole year!) :0
Answer: The presence of seeds that need light to germinate in the farm.
Explanation:
There are some specie of seeds that germinate best when they are exposed to light.
If these seeds are covered in soil, it is very likely they they will remain dormant and not sprout until conditions improve.
These seeds only needs to be pressed onto the surface of the soil where they can easily access sunlight and kept moist to germinate.
Once the light from the Sun hits this seed they obtain the required energy needed for them to germinate.
Therefore when the farmer ploughed the field he was unknown to him, exposing the seeds to the much needed light.