The Formation of these mountains will be caused by
Options B, C, and D is correct.
Generally, a mountain is simply defined as a body that rises dramatically above its surroundings and is distinguished by steep slopes.
In conclusion, Mountains are formed from the formation of rocks over years in an Environment.
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Answer:
d.
Explanation:
c=299,792,458
f=2x10to the 12th Hz
lambda=c/f
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ionic compounds lose or gain electrons to become stable.
ionic compounds are bonds between metals and nonmetals.
molecular or covalent compounds share one or more electrons to become stable.
molecular or covalent compounds are bonds between nonmetals.
An example of an ionic compound is sodium chloride (NaCl). An example of a molecular compound is carbon dioxide (CO2).
One example of an ionic compound is sodium chloride (NaCl), where sodium (Na) is a metal that forms a positively charged ion and chlorine (Cl) is a nonmetal that forms a negatively charged ion. The formula for a molecular compound is represented by carbon dioxide (CO2), where carbon (C) and oxygen (O) atoms share electrons to form covalent bonds.
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metal and nonmetal
metalloid and nonmetal
two metals
Answer: The correct answer is metal and non-metal.
Explanation:
Elements are mainly divided into 3 classes in the periodic table.
1.) Metals: The element which lie on the left side of the periodic table are mainly metals. These elements loose electron easily and form positively charged species. These elements are present in the highest proportion in the periodic table.
2.) Non-metals: The elements which lie on the right side of the periodic table are considered as non-metals. These elements gain electrons easily and form negatively charged species.
3.) Metalloids: These lie between metals and non-metals and show the properties of both metals and non-metals.
Copper lie in the period 4 and group 11 of the periodic table and it can easily loose electron and hence, it is considered as a metal.
Chlorine lie in the period 3 and group 17 of the periodic table and it can easily gain electron and hence, considered as a non-metal.
Therefore, the correct answer is metal and non-metal.
An electric motor is a machine that is responsible for conversion of electricalenergy to mechanical energy. On the other hand a galvanometer is an electrical tool that is used to measures small values of current.
A galvanometer actually works by deflecting a pointer in an electric current response which is flowing through a coil under a constant magnetic field.
While an electric motor performs its operation through the interaction between the magneticfield of motor and electriccurrent in a wire winding which generate a force in the form of torque.
Thus, this was the difference between a galvanometer and an electricmotor.
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Water molecules are carried into n-butanol.
n-Butanol molecules surround water molecules.
n-Butanol molecules are attracted to the surface of the water molecules.
Water is dissolved into n-butanol (a polar liquid). The second step at the molecular level as water dissolves into n-butanol is n-Butanol molecules surround water molecules.
Dissolving is a process of fully mixing of the solute into a solvent. When there molecules of solute and the molecules of solvent mixed and there is no difference between them.
Thus, the correct option is C, n-Butanol molecules surround water molecules.
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