Answer:
SARS- CoV- 2 is a virus that infects human by the oral-respiratory way in which the virus enters the body and these viruses have spikes on their surface made of spike proteins that allow these viruses to bind with the infected cell.
The infected cells have ACE2 receptor that is protein present on the surface of the human cells. Binding allows the structural change in the virus to fuse and enter in the cell where viruses reproduce them selves with the cell with cell system.
Yes, because it is found and created naturally
The Persian state and Western India to the Indus River was created by Cyrus "the great". He proved wisdom and compassion in the defeat and organization of his empire. His son Cambyses, invaded Egypt. Darius added a new province and Western India then dominated Thrace in Europe, He created the world's largest empire to that time, he divided the empire into 20 provinces. The fall began by Persian kings being secluded out there courts, enclosed by luxuries. Kings upturn taxes, loyalty to empire decline.
Answer:
Force = 78 N
Explanation:
Given data:
Mass = 39 Kg
Acceleration = 2 m/s²
Force generate = ?
Solution:
Formula:
F = ma
F = force
m = mass
a = acceleration
Now we will put the values.
F = 39 Kg × 2 m/s²
F = 78 Kg.m/s²
Kg.m/s² = N
F = 78 N