Answer:
Coronaviruses are named for the crown-like spikes on their surface. There are four main sub-groupings of coronaviruses, known as alpha, beta, gamma, and delta.
Human coronaviruses were first identified in the mid-1960s. The seven coronaviruses that can infect people are:
Common human coronaviruses
229E (alpha coronavirus)
NL63 (alpha coronavirus)
OC43 (beta coronavirus)
HKU1 (beta coronavirus)
Other human
The answer is A. Hope it helps ^^
Answer:
causes poverty for people and declines the structure of the economy
Explanation:
people who survive by commercial farming are unable to grow crops and animal rearing for selling as their way of earning income for their families.
As for the economy, it declines very bad that the country too becomes affected. The trading from the country to the other countries becomes disrupted. This also affect the incoming of foreign currency in the country.
