Biology, asked by divyanshiv932, 10 months ago

please answer them it's to urgent for me please help me​

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Answers

Answered by my069234
2

Answer:

18. 2

19. 4

20. 4

21. 2

Explanation:

hope it may help

Answered by psychoamith
2

Answer:

respectively 2,4,4,2

Explanation:

gastric juice is acidic because of the secretion of hcl

in mouth carbohydrate is digested by ptyalin

humans are the top level consumers

mode of nutrition is holozoic

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