<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.
The answer is A) Items are more expensive.
These processes help the plants and flora to survive in the Salton sea.
<u>Explanation:</u>
Photosynthesis is the process with which the plants make their food. Cellular respiration is the process of metabolic reactions that takes place in the cells of the organisms. Photosynthesis produces the glucose which is needed in the cellular respiration.
The process of the photosynthesis and the cellular respiration is used by the plants and other biotic organisms to live and survive which are there in the Salton sea