Answer:
False
=><em><u>Energy</u></em><em><u> </u></em><em><u>Neither</u></em><em><u> can</u></em><em><u> be</u></em><em><u> </u></em><em><u>created</u></em><em><u> </u></em><em><u>nor</u></em><em><u> </u></em><em><u>destroyed</u></em><em><u> </u></em><em><u>not </u></em><em><u>matter.</u></em>
Answer: A long-term environmental change is... ice age, deforestation, urbanization, Earth's orbit, Sun's intensity, global Warming, radioactive waste/pollution. Extinction of species could happen to anyone of the food webs in a long term change.
Explanation:
Answer is: in this experiment it is best to use some liquid alkanes (for example hexane), because gasoline<span> consists of hydrocarbons with between four and twenty carbon atoms</span>. Gasoline is a mixture <span> of many different hydrocarbons: </span><span>alkanes (paraffins), cycloalkanes and alkenes (olefins).</span>