Question 23 Which of the following is not a common element in organic molecules? O sulfur O calcium O oxygen O All of the above are common elements in organic matter.
Question 24 Which of the following are adaptations? Webbed feet of platypus help them to swim. O The heavy fur of snow leopards is beneficial in cold weather. O The cheetah's speed helps them catch their prey. all of the above
Question 25 How much water is easily available for living things? O 99% O 1% O 0.3% O 97.5%
Question 26 What poses the greatest threat(s) to biodiversity? O habitat loss. O overharvesting O exotic species all of the above
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