50 pts ! describe two different ways modify the environment include why they modify the environment and the negative impact of the modification nafta has been hugely debated by many people. identify 3 pros and 3 cons to this trilateral trade agreement. explain the push and pull factors that cause people to migrate from place to place. be sure to include reasons for migration in history ad well factors for modern migration.

is there anything else i could know any more info?

the roman republic began to expand when rome fought the punic wars and defeated carthage. the punic wars refer to the series of 3 wars fought among rome and carthage, before it ended in carthage's defeat.

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.