List the chemical changes :
burning candle
light and heat emitted
physical changes:
candle wax melts from solid to liquid
Hope this helps!
The confederate had a huge advantage because they had better money for supplies. This would become a great contribution.
Answer:
C. Varieties of an element that differ only in the number of neutrons are called isotopes.
Explanation:
The Earth is approximately 
old. The solar system formed from giant gas clouds which was a part of the solar nebula.
The surface of soil which demarcates two soils of different geological ages is called a unconformity.
Palesol is the soil that lies between sediments or volcanic deposits. If the paleosol is older they have lithified rock.
Hence, option C is true.
Answer:
Culture and economics.
Explanation:
Nations, given the wide interconnection that globalization has generated, have signed huge amounts of treaties with other nations, in which economic, political, cultural, social, border, security, and all legal issues that otherwise affect or benefit said countries are agreed.
But governments, in all situations, must take as their main precaution not to directly or indirectly harm the economies of the countries involved, nor in any way harm the cultural identity of those nations.
Thus, these limitations regulate the framework of agreeability under which the nations will agree on certain conditions of the treaties.
Answer:
Option A
Explanation:
Robert graduate research project didn't state that all psychology students and classes are the sample he wants to use for his research. He only targets the Psychology students as his participants not sample. So the intuition from the question eliminates options B and C and the conclusion that can be drawn from the question above is that all the students in the psychology classes represent a portion of the sample Roberts wants to use to carry out his research just that he randomly chose some to be his participant.
