Answer:
I think the answers are B, D, and F
Explanation:
Oxygen is a nonmetal with atomic number of 8 and mass number of 16.
The element oxygen was discovered in 1772 and 1774 by Scheele and Priestly working independently. The properties of the element was first described by Lavioser.
Oxygen is a member of group 16. It has eight protons, eight electrons and eight neutrons. It is found in period 2 of the periodic table.
The physical properties of oxygen are as follows;
- It is a colorless, odorless gas
- It supports burning
- It is neutral to litmus
The chemical properties of oxygen are;
- It accepts two electrons to form the oxide ion
- It can bond covalently to other nonmetals
- It can participate in ionic bonding with metals
Learn more about oxygen: brainly.com/question/12984241
Aztecs irrigated and reclaimed swampland so that they could farm.
<u>Explanation</u>:
Aztec refers to people of Central Mexico speaking Nahuatl. The Aztecs were known for introducing irrigation, agriculture and cultivating the land. These people involved in draining swamps and creating artificial islands in the lakes. The artificial island is used for farming.
Aztecs were involved in building pyramids and temples. They learned irrigation to change their habits. Farming became their major occupation. Hieroglyphic writing was introduced by Aztecs. Complex calendar system was implemented and used by Aztecs.
<u>Answer:</u>
<em>John. D. Rockefeller, leader of the Standard Oil Company and an Ohioan, once fought that the development of an enormous business</em> is just natural selection.
Other <em>advocates of Social Darwinism battled that God appointed that a few people were to be well off and live easily on the diligent work of others. </em>The Progressive Movement started mostly as a reaction to Social Darwinism.
Progressives accepted that God didn't condemn a few people to lives of neediness. <em>Or maybe, neediness came about essentially from the eagerness of other individuals. </em>
Modern day warfare is caused by the same reason as with what happened at Thermopylae when Spartans fought against Persians. The only difference between today and the past is that we are now educated people with human rights and decency. Civilizations have evolved and progressed over the years. In my own opinion, NO, it would not create the same kind of heroes as before just because of some greedy ambitions and self-interest.
Hope this helps. Have a nice day!
