homework 18 9 17

When selecting an energy source for heating a home, consumersthy to think about cost.Do the CHAPTER 2 SKILL ACTIVITY on pg 783 and use proportions to determine the área of the solar collector needed to heat a home.

collector área =400ft  =1
living space    =1200ft  =3

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homework 28/9/17

How does a solid become liquid This becomes when a solid like ice or iron get the temperature more tan 300C and make that the particles move very fast in the structure of the material make them melt in the case of the ice is more than 50C. Freezing Is when the particles don't move in the structure of a material for example water.Its become when the temperature digress to 0C and in metal is less dan -30C to make that the particles stop on the metal lake the iron.
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homework

Word Processing Think of a problema faced by your community such as wáter pollution.Using a wold processor,write a report describing how you would desing a robot or an ROV to help solve the problema. awnsure: problema:insegurity I prubos a robor that can the información nesesari to cath a thief on 30minutes after the stole and can chach the drug dealer in ther hiden ples and can stop the traffic on the strits. 
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