Shells are considered biotic because they come from living things. Biotic describes something living or use to be living such as plants and animals. So shells are considered biotic because they come from a living organism.
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Hope that helped:)
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Answer:
e. equal numbers of protons and neutrons in the nucleus orbited by varying numbers of electrons
Explanation:
Answer: I think you have to divide each level by 10 so the first level will stay the same and the rest go like this
3,500,000 divided by 10 equals 350,000
350,000 divided by 10 equals 35,000
and 35,000 divided by 10 equals 3,500
Explanation:
I don’t know if it’s correct
Answer:
asexual reproduction
Explanation:
because every single organism in the species is the exact same genetically, there is no variation between them.
The correct answer is soil structure. Soil structure refers to the arrangement of soil separates into units which are called soil aggregates which possess solids and pore space. Aggregates are separated by planes of weakness and are dominated by clay particles. Example of an aggregate is silt and fine sand.