C. either a proton or a neutron
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The overdose amount varies by drug to drug.
The stars that is very dim and red is called Red Dwarfs.
Answer:
Option A is correct (Alfred Wallace).
Explanation:
Option A is correct (Alfred Wallace).
According to the evolution theory all living species are evolved from a simple life source with the passage of time.
Points of natural selection:
- Genetic variation are passed from generation to generation but environment can cause variations too.
- Individuals in species have gene variation which is due to random mutation
- Those who can not adopt to environment can not have their genes pass to next generation.
- Natural Selection is also called as "Survival of the fittest".
a large group of plants that are defined as those land plants that have lignified tissues for conducting water and minerals throughout the plant
