Answer:
• The omicron variant has over 30 mutations and it uses it's proteins and macro organelles to attach human cells.
Id say the third option, white blood cells, called lymphocytes, destroy pathogens and protect against future infections.
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Answer: 50 tiger reserves
Explanation:
Project Tiger was launched by the Government of India in the year 1973 to save the endangered species of tiger in the country. Starting from nine (9) reserves in 1973-2016 the number is grown up to fifty (50). A total area of 71027.10 km2 is covered by these project tiger areas.
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