Answer:
Electrons are particles that surround the nucleus of an atom like a cloud. As with protons and neutrons, electrons are essential to an atom's structure.
Ten Ways to Reduce Greenhouse Gases. Burning fossil fuels such as natural gas, coal, oil and gasoline raises the level of carbon dioxide<span> in the atmosphere, and</span>carbon dioxide<span> is a major contributor to the greenhouse effect and global warming.
Source -->https://www.google.com/search?q=Reducing+the+emissions+of+which+gas+will+lead+to+reducing+the+greenh...<--
</span>Can you help me? <span>
brainly.com/question/3131429</span>
<u>Answer:</u>
The correct answer option is a. Selenium (Se).
<u>Explanation:</u>
From the given answer options, Selenium (Se) is the only element which is a non metal.
It has the atomic number 34 with atomic weight 78.96. It is a member of the sulfur group of the non metallic elements and falls in period 4 of the Periodic table.
Selenium has non metallic properties which are intermediate between the elements that lie above and below it in the Periodic table.
