Some investigation require control such that they can be able to compare results to a sample even without any of the independent variable which is being added.
Investigation is the act of investigating someone or something. Investigation can work for private investigator. There are different types of investigation. For example, Griffin investigation, Criminal investigation department, Federal Bureau of investigation.
Humans, monkeys, and apes belong to a group of animals known as mammals.
Any member of the group of vertebrate animals in which the young are fed with milk from particular mammary glands of the mother is referred to as a mammal.
Mammals are recognized from other species by a number of distinctive characteristics in addition to their recognizable milk glands. Although many whales no longer have hair other than in the prenatal stage, hair is a characteristic mammalian feature.
Unlike all other vertebrates, which joint their lower jaws on a separate bone called the quadrate, mammals' lower jaws are connected to their skulls directly. Sound waves are transmitted across the middle ear by a chain of three small bones.
Therefore, Humans, monkeys, and apes belong to a group of animals known as mammals.
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