Macromolecules, or polymers, are formed by the combination of smaller molecules or monomers in a specific sequence. This is an energy requiring process called polymerization that produces water as a byproduct. Examples of macromolecules include nucleic acids, lipids, proteins and carbohydrates.
Answer: 3 Calories of heat will be required by silver to raise the temperature to 1°C.
Explanation: Specific heat is defined as the heat required to raise the temperature by 1°C for 1 gram of substance.
Mathematically,
where,
q = heat required = ? Cal
m = Mass of the substance = 50 g
c = Specific heat of the substance = 
= Change in the temperature = 1°C
Putting values in above equation, we get:
Answer:
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Explanation:
Evaporation - the water from the oceans began to evaporate due to the heat of the sun and forms water vapour
Condensation - the vapour then rises and forms clouds and forms a liqiud
Presipitation - after the cloud is filled with water, it falls down as rain
Electrons have a negative charge so when a element looses its electrons it will have a positive charge
