Answer:
the eupopeans introduced horse to the americans, as the native american living there already had turkeys,corn,and wheat.
Answer:
Basically exercise maintains the integrity of white matter which contains billions of neurons;
Therefore regular exercises reduces Alzheimer's diseases by 50 %. it stimulates the brain's ability to maintain old neuronal connections (synapses), and to make new ones.
Generally, exercise, increases cerebral blood flow, and therefore Oxygen supply to the brain.This stimulates neuronal metabolism.
Explanation:
I think the third one not sure
Answer:
It wouldn't completely disrupt the system but, it'd make some major changes. Removing a species would be like removing a piece in the game of bricks. More bricks you'd remove the more unstable it'd get. So, I'd say don't remove any species from ANY ecosystem, for the safety of the world. If one ecosystem is disrupted, an entire species could die off. If one dies off, so would another and it'd keep going.
Hope this helped, have a good day!
Answer:
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code switching. noun. the practice of changing from using one variety or register of language to another
