Homeostasis is the maintenance of a stable level of internal conditions even though environmental conditions are constantly changing. Metabolism is the sum of all the chemical reactions that take in and transform energy and materials from the environment.
        
             
        
        
        
Answer:
<u>risiysyoetistosi</u><u> </u><u>ektekydoyoyeo</u>
 
        
             
        
        
        
1/2 of a radioactive substance will remain after 3 half lives.
        
             
        
        
        
Answer:
con·stant
/ˈkänstənt /
adjective
occurring continuously over a period of time.
"the pain is constant"
Similar:
continual
continuous
persistent
sustained
abiding
round-the-clock
ceaseless
unceasing
perpetual
incessant
never-ending
everlasting
eternal
endless
unending
unabating
nonstop
perennial
unbroken
uninterrupted
unrelieved
interminable
unremitting
relentless
unrelenting
without respite
sempiternal
steadfast
steady
resolute
determined
persevering
tenacious
dogged
unwavering
unflagging
unshaken
Opposite:
inconstant
fitful
noun
a situation or state of affairs that does not change.
"the condition of struggle remained a constant"
Similar:
unchanging factor
unchanging state of affairs
unchanging situation
Explanation:
 
        
             
        
        
        
Answer:
 nCoV is often used to indicate a newly recognized coronavirus prior to definitive identification and classification. It is sometimes used in combination with the year of identification.
Explanation: