Hello llockard,
The answer is <em>pe</em><em>t</em><em>roleum.</em><em>.</em><em>.</em><em> </em>It is because trees, water, plants, natural gas can take only 2 - 31 years to be made again... BUT, in case of petroleum, it takes nearly 100000 years, which is impossible for any human to live that much years... So, use petroleum carefully....
<em>Hope</em><em> it</em><em> helped</em><em> you</em><em>.</em><em>.</em><em>.</em><em> </em><em>please</em><em> mark</em><em> me</em><em> brainliest</em>
Answer:
Limitation of comparative investigation is that when it is done on a huge population, huge amount cost is required. Explanation: Benefit of comparative investigation is that we can get descrete information about specific breed or species. It is important for the study of behaviour of many organisms.
Answer:
Global warming is the unusually rapid increase in Earth's average surface temperature over the past century primarily due to the greenhouse gases released by people burning fossil fuels.
Answer:
In a chemical reaction the total mass of all the substances taking part in the reaction remains the same. Also, the number of atoms in a reaction remains the same. ... The law of conservation of mass states that the total mass of substances taking part in a chemical reaction is conserved during the reaction.
Explanation:
The answer is D.
"An irregular galaxy is a galaxy that does not have a distinct regular shape, unlike a spiral or an elliptical galaxy. Irregular galaxies do not fall into any of the regular classes of the Hubble sequence, and they are often chaotic in appearance, with neither a nuclear bulge nor any trace of spiral arm structure."
