Answer:
1440
Explanation:
Members except president, secretary and joint secretary = 9−3=6
Their arrangement = 6!
No. of arrangements of secretary and joint secretary at wto places
=2!=2
Total arrangement =2×6!
2 x 6! = 1440
Answer:
A and C
Explanation:
they provide food and have helped with medicinal discoveries
I know that he found finches in different areas with different beak shapes....he found this was caused by the type of seeds that were available on the different islands...over time (evolution) their beaks changed to allow them to be able to survive (survival of the fittest)
Answer:What is your lab over? Can you explain what all you did during this lab and what you observed? If you wrote a hypothesis was it true or untrue why or why not?
Explanation:i did my thing
Answer:
When biodiversity is lost, significant value to the biosphere and to humanity may be lost with it. Biodiversity benefits medicine, agriculture, and ecosystem services.
Biodiversity is essential for life continuity as it helps life continuation. The desirability of biodiversity makes life a better place as the presence of different types of plants and animals.
Explanation:
