<h2>Answer : By weighing the costs and benefits of an environmental issue
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Explanation :</h3>
The law makers usually conduct many studies before a law is imposed. They try to explore many other options available to the current environmental issue and then come to a conclusion to make a law.
They also weigh the cost aspect along with the benefit of the ongoing environmental issue. They try to come up with something which appears to be cost effective and result bearing.
B.Elements
Explanation: they cannot be separated
<span>Cr3+ O2- ; the formula is Cr2O3 ( criss cross)</span>
Answer: the concentration of H in the stomach acid is greater than that of the lemon juice
Explanation:Please see attachment for explanation
Because ionic compounds' strong bonds form network structures, which have a stronger attraction than the covalent compounds which are molecules.
