Analyze Text Structure and Organization Practice Test

Read the informational text below.

Two Ways to Store Renewable Energy

What they share

Both pumped-storage hydropower and grid batteries store extra electricity when demand is low and release it when demand rises. Both can help keep the electric grid stable during sudden changes.

How they differ

Pumped-storage moves water uphill into a reservoir, then releases it through turbines later. It needs specific geography and large construction projects. Grid batteries, such as lithium-ion systems, can be placed in many locations and built faster, but they usually store energy for shorter periods and require careful recycling plans.

Choosing a method

Communities often consider land availability, cost, and how long energy must be stored before deciding.

Which organizational structure does the author use most?

Read the informational passage and answer the question.

Why Coral Reefs Are Disappearing

Paragraph 1

Coral reefs are sometimes called “rainforests of the sea” because they support many kinds of life. In recent decades, many reefs have shrunk or become less colorful.

Paragraph 2

One major cause is rising ocean temperature. When water stays too warm for too long, corals become stressed and may expel the algae that live inside them. Without these algae, corals lose much of their color and energy.

Paragraph 3

Pollution is another cause. Fertilizer runoff can trigger algae blooms that block sunlight, making it harder for corals to get energy. Plastic and chemicals can also damage reef organisms.

Paragraph 4

As reefs weaken, fish lose shelter and food sources, and coastal communities can lose natural protection from waves. Tourism and fishing jobs may also decline.

How are ideas developed across the passage’s structure?