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The study of chemistry, physics and astronomy are closely related. True or False? Calculate the heat absorbed in kilo-joules to raise the temperature of 250 grams of water from 25°C to 40°C? What are the chances of having 4 boys and 3 girls in a family?What is the probability of 4 boys born first & then the last 2 born are girls? Hello I have a mold in a cup in my closet and I want to know it s gender, how do I recognise it? Are there any nuclear bomb sirens in the United States? Like in every state?

Answer #1| 06/06 2017 06:4555 %