Answer:
Density is a physical quantity, defined as the ratio of body mass to the volume occupied by this body. The average body density is the ratio of body weight to its volume.
Since the mass in a body can be distributed unevenly, a more adequate model defines the density at each point of the body as a derivative of mass over volume.
Thus, to obtain the density of a sample, its mass must be divided by its volume. Thus, the density of the sample is 1.2 / 1.1, that is, 1.09 g/cm3.
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Due to high evaporation rate and low precipitation, the oceanographer to find the highest salinity at the tropics.
<h3>What is salinity?</h3>
Salinity refers to the salt content of a water body such as rivers and oceans.
Oceans and seas have high salinity due to the presence of many dissolved minerals.
Different area of the oceans have different salinities.
Salinity is highest at the tropics and equator due to high rate of evaporation and low precipitation.
Therefore, the oceanographer to find the highest salinityat the tropics.
Learn more about salinity at: brainly.com/question/20283396
<span>Many life forms consist of a single cell. As well as simple bacteria, there are more complex organisms, known as protoctists. Unlike bacteria, they have complex internal structures, such as nuclei containing organized strands of genetic material called chromosomes. Most are single-celled, but some form colonies, with each cell, usually remaining self-sufficient.
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Prokaryotes are unicellular organisms whose cells lack a nucleus. A nucleus is a dense are in a cell that contains nucleic acids the chemical instructions that direct the cell's activities.
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