Seawater, water that makes up the oceans and seas, covering more than 70 percent of Earth's surface. Seawater is a complex mixture of 96.5 percent water, 2.5 percent salts, and smaller amounts of other substances, including dissolved inorganic and organic materials, particulates, and a few atmospheric gases.
The most abundant dissolved ions in seawater are sodium, chloride, magnesium, sulfate and calcium. Its osmolarity is about 1000 mOsm/l.
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Answer:
Elephant
Explanation:
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Answer:
Answer : Intermittent compression, Continuous passive motion, Cervical/lumbar traction
Explanation:
Intermittent compression can be explained as a therapeutic technique for reducing edema. Edema is when there is abnormal fluid in the tissue spaces of the body. This technique involve the use of device known as the intermittent compression device.
Cervical or lumbar traction is the method of creating or making spaces between or among the vertebrae in order to make the spinal discs alright or healthy. In the case of cervical traction, it causes light stretching of the neck.
The continuous passive motion involves the use of machines to repair or rehabilitate limbs , either in the arm or leg.
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The similarity of 94% in their DNA sequence suggest that they have originated from a common ancestor and are closely related species.
Explanation:
The difference in DNA sequences in different species is due to the accumulation of genetic variation in the course of natural selection and evolution. Less is the difference in DNA sequences of two organisms the more related they are.
Genes determine the characteristics in an organism, and they are DNA sequences determining the protein to be formed. The similarity in DNA sequence of two species establish the evolutionary relationship among them.
Due to the genetic variation in species, the natural selection of the species had caused the evolution of the species adapted well to the environment.
