<u>Answer:
</u>
Subsistence farming is the level of crop output from a given level of input.
<u>Explanation:</u>
- Farmers grow "food crops" to feed themselves and their families. There will be little or no surplus trade as they get output for whatever input.
- This process is called subsistence agriculture or subsistence farming. They raise the livestock for their own’s use but not for any trade activities.
- For example: nomadic people raise a cow to provide milk to their own family.
- They give sufficient and necessary food for the cow an get the required quantity to suffice their family.
Potatoes need sun, water and soil
Are you referring to a picture? if not, stars range in size from neutron stars, which vary anywhere from 20 to 40 km in diameter
The change is due to the motion of the Earth in its orbit around the sun
