Question
Read the following passage, and answer the question.
Water is essential for every human, plant, and animal to survive. Hence, water is an indispensable substance for all living things. How do we get water? Where do we get it from? Let us explore the water cycle.
The water cycle is the way Earth uses and recycles water. In the water cycle, the energy from the Sun heats the water in lakes and oceans, causing the water to evaporate, or change into water vapor by the process called evaporation. Through the transpiration process, water evaporates from the surface of the leaves.
However, it is difficult to separate the processes of evaporation and transpiration. This combined process is called evapotranspiration. When water evaporates, it goes up and merges with the cooler air, condenses, and forms clouds.
When water vapor cools, water droplets grow larger in size. The wind in the atmosphere cannot keep these water droplets afloat, and they fall down to Earth.
The condensed water droplets fall from the sky in different forms such as rain, snow, sleet, or hail; altogether, they are called precipitation.
Water from the precipitation infiltrates the soil and is deposited underground. The underground water, captured between rock or clay layers, is called groundwater. Most of the precipitation water flows downhill and collects a small quantities of mineral salts from the rocks and soil. Finally, it enters into the ocean.
What is the main idea of the passage?
Water is essential for the survival of living beings.
Evaporation causes the water to be converted to vapor.
Condensed water droplets fall from the sky in different forms.
All of the choices
Water is essential for every human, plant, and animal to survive. Hence, water is an indispensable substance for all living things. How do we get water? Where do we get it from? Let us explore the water cycle.
The water cycle is the way Earth uses and recycles water. In the water cycle, the energy from the Sun heats the water in lakes and oceans, causing the water to evaporate, or change into water vapor by the process called evaporation. Through the transpiration process, water evaporates from the surface of the leaves.
However, it is difficult to separate the processes of evaporation and transpiration. This combined process is called evapotranspiration. When water evaporates, it goes up and merges with the cooler air, condenses, and forms clouds.
When water vapor cools, water droplets grow larger in size. The wind in the atmosphere cannot keep these water droplets afloat, and they fall down to Earth.
The condensed water droplets fall from the sky in different forms such as rain, snow, sleet, or hail; altogether, they are called precipitation.
Water from the precipitation infiltrates the soil and is deposited underground. The underground water, captured between rock or clay layers, is called groundwater. Most of the precipitation water flows downhill and collects a small quantities of mineral salts from the rocks and soil. Finally, it enters into the ocean.
What is the main idea of the passage?
Water is essential for the survival of living beings.
Evaporation causes the water to be converted to vapor.
Condensed water droplets fall from the sky in different forms.
All of the choices
Answers
Answered by
GPT-4o mini
The main idea of the passage is **Water is essential for the survival of living beings.** While the passage discusses various aspects of the water cycle, including evaporation, condensation, and precipitation, the overarching theme is the importance of water for all living things. The other options are specific details but do not capture the main idea as effectively.
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