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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B. CONSISTENCY.
Soil consistency is most dependent on soil moisture.
Soil consistency are identifies as Moist Soil, Wet Soil, and Dry Soil.
Moist soil are loose when dry or wet, friable (using gentle pressure), and firm (using moderate pressure)
Wet soil are plastic and sticky.
Dry soil are either soft or hard.
False. Martin Luther King's Speech "I Have A Dream" was about his hopes for the equality in the American and African American Society. He was dreaming of a world where segregation is non-existent and all human beings are co-existing in society, functioning as equals.
Answer:
C) Re-do the measurements, several times, and take the average density before making a decision.
Explanation:
For the correct identification of the metal, weather its nickel or copper, Carl should repeat the experiment several times and take the average density before making the decision. It is important because it reduces the chance of error and ensure the data integrity. The more the sample size is, lessen would be the error.