English, asked by shehzadikomalbhumi58, 3 months ago

what is mean by covid 19​

Answers

Answered by Amaan54872
22

Answer:

Covid - 19 is a pandemic Virus...

19 is defined because,it was started to spread from 2019..

Explanation:

Fundamentally, ecosystem functions are exchange of energy and nutrients in the food chain. These exchanges sustain plant and animal life on the planet as well as the decomposition of organic matter and the production of biomass.

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