B. a nonmetal and a metal.
C. an acid and oxygen.
D. a base and an acid.
A salt is obtained as a reaction between a base and an acid which is option D.
A salt is obtained as a reaction between a base and an acid. In this reaction, the base donates a hydroxide ion (OH⁻) and the acid donates a hydrogen ion (H⁺). The hydroxide ion and hydrogen ion combine to form water (H₂O), and the remaining ions from the base and acid combine to form the salt. The salt is typically composed of a metal cation from the base and a non-metal anion from the acid. The formation of salt is a neutralization reaction where the acidic and basic properties of the reactants are neutralized, resulting in the formation of a new compound, the salt.
Hence, the correct option is option d.
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Answer:
A solid forms, and there is a change of color.
Explanation:
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The distance (in meters south) the plate will be given that the plate is moving at a rate of 2 cm/year is 80 meters south (last option)
Speed is defined as distance travelled per unit time. This is mathematically written as
Speed = Distance travelled / time
If we make distance the subject, we have
Distance travelled = Speed × time
The following data were obtained from the question:
Distance travelled = Speed × time
Distance travelled = 0.02 × 4000
Distance travelled = 80 meters south
Thus, we can conclude that the distance travelled is 80 meters south (last option)
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the plate will be 80 meters south from its original location in 4,000 years. The correct answer is (d) 80 meters south.
The plate moves south at a rate of 2 cm/year. To find out how many meters south it will be in 4,000 years, we need to convert the years to centimeters and then meters.
In 4,000 years, the plate will have moved: 2 cm/year x 4,000 years = 8,000 cm.
Now, to convert 8,000 cm to meters, we need to divide by 100 (since there are 100 centimeters in a meter):
8,000 cm / 100 = 80 meters.
So, the plate will be 80 meters south from its original location in 4,000 years. The correct answer is (d) 80 meters south.
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Complete question is:
A plate moves south at a rate of 2 cm/year. How many meters south from its original location will the plate be in 4,000 years?
a. 8,000 meters south
b. 4,000 meters south
c. 200 meters south
d. 80 meters south
Simply put, a system is an organized collection of parts (or subsystems) that are highly integrated to accomplish an overall goal. The system has various inputs, which go through certain processes to produce certain outputs, which together, accomplish the overall desired goal for the system. A system is a collection of elements or components that are organized for a common purpose. The word sometimes describes the organization or plan itself (and is similar in meaning to method, as in "I have my own little system") and sometimes describes the parts in the system (as in "computer system"). A system is a group of interacting or interrelated entities that form a unified whole. A system, surrounded and influenced by its environment, is described by its boundaries, structure and purpose and expressed in its functioning. Systems are the subjects of study of systems theory. The term "system" comes from the Latin word systēma, in turn from Greek σύστημα systēma: "whole concept made of several parts or members, system", literary "composition".