Answer: Farming
Explanation: Plowing the land is the first source of wealth.
Answer:
It's AUC.
Thymine is substituted by Uracile in RNA and it's complementary to Adenine. Citosine is complementary to Guanine
The two gasses that make up 99% of the earth's atmosphere are nitrogen and oxygen.
Hope that helped! =)
Explanation:
I think that if you use different methods that result in the same outcome <em>you </em><em>will </em><em>have </em><em>more </em><em>chances </em><em>of </em><em>getting </em><em>the </em><em>required </em><em>res</em><em>u</em><em>l</em><em>t</em><em>.</em><em> </em><em>This </em><em>is </em><em>because </em><em>you </em><em>don't </em><em>know </em><em>whether </em><em>one</em><em> </em><em>of </em><em>your </em><em>methods</em><em> </em><em>might </em><em>work </em><em>or </em><em>not</em><em>, </em><em>so</em><em> </em><em>having </em><em>many </em><em>of </em><em>them </em><em>help </em><em>you. </em>
Not sure if I'm correct or not but I hope this helps