Answers by Luca Petrini
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Answers by Luca Petrini

Answers by Luca Petrini
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Which of the following indicates that an endothermic reaction has occurred
answered Mar 8, 2020
6 votes
158k views
Three aluminum cans can be recycled to make a new can. How many new cans can eventually be made from 243 aluminum cans? (Remember that the first new cans that are made can then be recycled into even newer
answered Mar 5, 2020
2 votes
92.9k views
PLEASE HURRY!!! Which refers to solid ice that condenses and forms on surfaces like grass or windows? dew frost hail sleet
answered Dec 8, 2019
0 votes
82.0k views
Which precaution should you take when cooking meat?
answered Oct 16, 2019
1 vote
35.3k views
Don't know how to do it. I think I'm overthinking the problem...
answered Oct 9, 2019
2 votes
198k views
Which statement describes the law of superposition?
answered Sep 25, 2019
5 votes
185k views
_____ aquí. Venir Venga Vengas Vens
answered Mar 24, 2019
3 votes
119k views
Simplify 27 2/3 ---------- 27 4/3
answered Dec 5, 2018
4 votes
187k views
Which substance provides humans with their main source of energy? @4.4.8.A @1 \ A) Food B) Carbon dioxide C) Water D) Cholorphyll
answered Nov 28, 2018
4 votes
231k views
Richelieu attacked La Rochelle because of religious intolerance. True or False.
answered Nov 10, 2018
3 votes
184k views
Calcium reacts with the oxygen in the air, forming calcium oxide. write the balanced chemical equation for this reaction. what is the sum of the coefficients?
answered Aug 28, 2018
4 votes
81.8k views
Use < , > , or = to compare the numbers. 54 68 70 70 55 930 778 703
answered Apr 12, 2018
2 votes
234k views
Peter is a middle-aged, overweight man who is trying to decrease his body circumference. How could the serving size on a nutrition label help him lose weight?
answered Feb 25, 2017
7 votes
96.8k views
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