Answer:
seasonal changes in the amount of day light
The human body has two lungs.
The right answer is Negative (anion).
Anion is an ion that, having gained one or more electron (s), carries one or more negative electric charge (s), (since the number of negative charge (electrons) is greater than the number of charges positive (protons)): for example, the Cl- chloride ion is the chlorine atom that has gained an electron. Conversely, a cation contains fewer electrons than protons.
It is so called because during an electrolysis, this ion is attracted by the positive electrode called anode, in the same way that the poles of opposite charges of the magnets attract.
All dog breeds would be regarded as one Species under the theory of reproductive isolation.
Breed vs Species :
A breed is a group of creatures of a species who have undergone selective breeding to develop some unique traits.
A species is a group of organisms that can interbreed to produce viable progeny.
Through a process of artificial selection, different breeds of a species are created. Natural selection is the process by which different species develop.
To know more about Species please click here : brainly.com/question/25939248?
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