Why does a farmer plough his field and makes soil loose before sowing seeds?

Plowing breaks up the blocky structure of the soil which can aid in drainage and root growth. Plowing also makes it easier to plant.

Explanation:

Soil can become dense and compact.

this is math not biology xd

instead of copying and pasting things off of tests or work done on computer which im sure you did, try and read over the question carefully