30)
Experts estimate that over 25,000 species become extinct each year, with some estimating this number to be over 100,000. This is an alarming rate that threatens fragile ecosystems and global biodiversity. Which of these is currently the leading cause of extinctions today?
A) global climate change
B) habitat loss due to human interactions
C) development of cleaner running automobiles
D) natural disasters such as volcanic eruptions and earthquakes
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