Question

How many elements are there (natural and man made both ) ? question 2 rapid fire ​

Answer 1

Answer:

The synthetic elements are those with atomic numbers 95–118, as shown in purple on the accompanying periodic table: these 24 elements were first created between 1944 and 2010.

Answer 2

Natural and man made includes, for instance, droughts, desertification, floods, fires, earthquakes, and dipersions of radioactive gases in the atmosphere. They have significant social, environmental and economic impacts. The JRC carries out extensive work to continuously monitor the situation, assess risks and potentially impacts, and the forecast future events as accurately as possible in order to help prevent these phenomena from happening or to limit their impact.....