Answer:
lack of resources, and mating
Explanation:
they may go ictenct
The correct answer is bacteria. Bacteria abundant in soil is the main source of its organic matter. This is because bacteria release energy in their systems which causes the soil to be more fertile and more capable of sustaining plant material. Without bacteria general processes of soil formation will not be possible.
The answer would NOT be B for this question.
Knowing myself the answer would be A because nuclear energy would be an alternate source of energy unlike natural gas.
B) made of just one substance
Explanation:
A mineral is just made up of one chemical substance.
Geologically, a mineral is defined as a naturally occurring inorganic chemical substance, with a definite chemical composition and well ordered atomic structure.
- Minerals are produced naturally through inorganic chemical processes.
- Calcite is mineral that makes up limestone and it consists of Calcium carbonate.
- Most rocks are aggregate of minerals.
- Most rock forming minerals are silicates.
Learn more:
Rocks brainly.com/question/2817889
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Answer:
Subsistence agriculture
Explanation:
The definition of subsistence agriculture is a form of farming where nearly all of the crops or livestock are raised to maintain the farmer and his/her family, leaving little to nothing for sales or trade
