Why do so many countries on our side of the world speak Spanish? a
It's always been that way.
b
Colonization by the country of Spain.
c
Every Spanish speaking country was once under the rule of Portugal
d
None of the above

plz help

b. Colonization by the country of Spain.

Explanation:

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when the outside temperature is too cold, an endothermic animal can generate heat by shivering. endothermic animals must eat much more often than ectothermic animals since it takes energy to maintain a constant body temperature.