Answer:
286 ml of water
Explanation:
Since 500ml Of Dextrose 30% is needed to be produced from Dextrose 70%. Let us assume that x ml of Dextrose 70% is mixed with water to get 500 ml of Dextrose 30%. Hence:
30% of 500 ml = 70% of x
70x = 15000
Dividing through by 70:
x = 214 ml
Therefore 214 ml of Dextrose 70% is used
The amount of water used is gotten using:
amount of water = Amount of Dextrose 30% - Amount of Dextrose 70%
amount of water = 500 ml - 214
amount of water = 286 ml of water
Answer: All are correct except smoking.
Explanation: Cigarettes contain carcinogens which can greatly INCREASE the risk of heart disease, heart attack, and stroke.
However, a healthy diet and regularly exercising will reduce the risk.
Litter - waste thrown away in an inappropriate place
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