This can be known as trade in some places and kingdoms. But historically, the spread of ideas and culture is know as Trans-cultural diffusion.
Hope this helps :)
Answer:
iron
Explanation:
Iron deficiency may cause fatigue
sorry if wrong
TATCCG is the complementary code
adenine and thymine (A & T)
guanine and cytosine (G & C)
Answer:
I'd say geese migrating north.
Explanation:
Let me know if I'm right!
90% of the energy gets lost as heat in the ecosystem
