1. School on weekends 2x a month
2. 16 hour work days
3. Students clean the school after each day instead of janitors
<span>This means the buoyancy or upward force is 3kg. Mass - buoyancy = apparent mass so 9.3 kg - 3 kg = 6 kg</span>
I'm pretty sure it's the Eichhornia crassipes. It is a water hyacinth, and it was overgrown in the Lake Victoria area.
B the north European plain provides navigable rivers
Answer:
Asia, Australia, North and South America
Explanation:
