Identify whether each effect is the result of modifications to the North American Great Plains, the Everglades, or both. many native species
lost their natural
habitats
a thriving ecosystem
changed into the
Dust Bowl
a lot of valuable
freshwater drained
into the sea

radiative zone

explanation    

radiative zone is the layer of the sun which energy is transferred away from the core by radiation. although, the core is the only part of the sun that produces an appreciable amount of heat through fusion. in fact, 99% of the energy produced by the sun takes place within 24% of the sun's radius.

i'm sure the answer you are looking for would be

a. an ice age

hope this contact me if this didn't or you need with more answers : )