The outer core of the earth is the only part of the earth that is made up of liquid.
<h3>What is the earth core?</h3>
The earth core is the center part of the earth that is the main source of generation of the earth's magnetic field.
There are different layers of the earth core which includes the outer layer.
The outer layer of the earth is 70 kilometres (3.1–43.5 mi) in depth.
This outer layer is the third layer of the earth and is made up of liquid.
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They are of the same genus.
Felis is the genus, and the word after that is the species.
Bicarbonate buffer system. Human blood contains large amounts of carbonic acid, which is a weak acid, and bicarbonates, a strong base. If blood pH falls below 6.8 or rises above 7.8, one can become sick or die. This bicarbonate buffer system help maintain blood pH at 7.4. The bicarbonate neutralizes excess acids in the blood while the carbonic acid neutralizes excess bases.
The correct answer is D. They have two successive sets of teeth including milk teeth and permanent adult teeth
Explanation:
In biology, a diphyodont is an animal that has two different sets of teeth, this often means the animal has a set of baby teeth that are later replaced by permanent teeth, this occurs in most mammals including humans. Additionally, diphyodont differ from other types of animals that have either only one set of teeth (monophyodonts), for example, toothed whales or change their teeth permanently (polyphyodont), for example, crocodiles. Thus, mammals are diphyodont because "they have two successive sets of teeth including milk teeth and permanent adult teeth".
