Main Idea

Main idea of a passage?

Freshwater and saltwater swamps host various animals.

Goggles are worn for protection in various activities.

Helicopters assist in firefighting and supply delivery.

Hudson River wetlands host mammals like otters and underwater plants like water celery. It also has fish like the American eel.

In a play, actors perform onstage, stage managers run lights, and set designers change the stage between scenes.

Pen pals are friends who live far apart and exchange letters, sharing lives, ideas, and experiences, making their worlds bigger.

Smartphones are used for more than calls and messages; they help with directions, information, music, photos, and games. However, they can distract from important tasks and pose dangers when misused.

Baby kangaroos stay in their mother's pouch until strong enough to live independently.

About one-third of Earth's land is in Asia. Asia has the longest coastline and the largest population of any continent.