It would be the kidneys, small and large intestine
D. A variable or alteration to one part that affects an entire system
Explanation:
When talking about natural and physical systems, change is a variable or alteration to one part that affects an entire system.
Systems are groups of processes that have the same overall function. There are several types of interacting components that makes up both physical and natural systems in our world.
- The part of system is related and interconnected via the changes they undergo.
- Changes typically causes variation or alteration of parts of a system.
learn more:
Biogeochemical cycle brainly.com/question/3509510
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Fossil
Explanation:
Fossils are the imprints or remains of living things that tells us the history of life in the geological past.
Fossils can also be defined as the preserved remains of dead organisms that once lived in geologic time past.
- Fossils can be body fossils which preserves part of the body of an organism usually the hard part.
- They can be trace fossils which are the preserved prints of organisms.
- They are usually used to trace the evolutionary history of an organism.
- The tell us about the climatic and environmental conditions of organisms that once lived.
learn more:
fossils brainly.com/question/7382392
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<span>The first electrochemical cell was invented by Alessandro Volta.
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