Question
Which chemical compound does make cork impermeable for liquid and gases?
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What is the location of following in the cell:
Write down four main characteristics of good cattle shelter.
How is the complexity of cell structure and their number used in classification?
'Milk is a very nutritious food'. Use the table given in the book to justify statement.
What is ozone tayer (= umbrela)?
What would happen if plasma membrane ruptures?
Define artificial insemination. Write down two advantages of it.