Be there is different germs
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:
Answer:
C; Oxygen concentration
Explanation:
Oxygen is product, not a reactant in photosynthesis. Light and carbon dioxide are reactants, and extreme temperatures can denature the plant.
Answer:
a thing or event that evokes a specific functional reaction in an organ or tissue
a thing that rouses activity or energy in someone or something; a spur or incentive
an interesting and exciting quality.
Explanation: