Brass requires more energy than silver
Aluminum requires more energy than copper
Aluminum requires more energy than brass
Explanation:
The specific heat capacity of a substance indicates the amount of heat energy required to raise 1 kg of that substance by 1 degree in temperature.
Mathematically:

where
Q is the heat supplied to the substance
m is the mass of the substance
is the change in temperature
Therefore, the higher the specific heat capacity of a substance, the more energy is needed to increase its temperature.
Here we can compare the specific heat capacity of the materials mentioned:
Silver: 
Brass: 
Platinum: 
Aluminium: 
Copper: 
Therefore, the correct statements are:
Brass requires more energy than silver
Aluminum requires more energy than copper
Aluminum requires more energy than brass
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Explanation:
A battery sits in an iPod before the iPod is turned on Chemical
A man at a carnival lifts a hammer high over his head
before swinging it down onto a pad.
Gravitational
A positively charged particle is slowly moved away
from a strong, negatively charged plate Electric
The string of a bow and arrow is pulled tight. Elastic
Energy is defined as the ability to do work. There are two main forms of energy which are:
- Potential energy
- Kinetic energy
Chemical energy energy is a form of potential energy produced through chemical reactions. A car battery is an electrochemical that converts chemical energy into electrical energy for use in the iPod. The battery is made up of electrodes through which electron flows in one direction and current is generated by the potential difference set up
Gravitational energy is a form of potential energy that tends to pull all bodies to the center of the earth. It is an attractive force.
Electrical energy is a form of energy produced through the flow of electric current in a body. As the positive charge moves away from the strong negative plate, an electric current is produced.
Elastic energy is a potential energy stored in elastic bodies that can be stretched and are not plastic.
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Answer: C- ecosystem
An ecosystem is a biological community in which living beings interacts with their non-living environment. An ecosystem consists of abiotic ( non-living factors like water, sunlight, wind and soil) and biotic factors such as plants and animals. Ecosystem allows not only the interaction of abiotic and biotic factors but it favors the interaction between the living species. For example animals are dependent upon plants so as to derive their food. The coexistence of organisms favors the diversity of land forms on earth.
Communities of organisms coexist in organized, balanced ecosystems.
Answer:
<em>Explicado a continuación</em>
Explanation:
Hay una pequeña diferencia conceptual entre la capacidad y el volumen de un objeto, a saber:
El volumen hace referencia al espacio que ocupa un objeto, mientras que la capacidad hace referencia al espacio que este contiene. Calcular el volumen de un cuerpo es medir cuánto ocupa mientras que calcular su capacidad es medir cuánto cabe en él.
En la práctica, ambos conceptos son usados indistintamente, ya que tienen unidades equivalentes.
El volumen tiene unidades de longitud al cubo, como por ejemplo:

y la capacidad se suele expresar en litros o unidades derivadas: litro, mililitro, centilitro, etc.
Como mencionamos, hay equivalencia engre los dos grupos de unidades. Entre las más conocidas están:

Explanation:
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