Human Impact- Post-Test Review

Front

What are alternative energy sources?

Back

Energy sources that are renewable and have a lower environmental impact compared to fossil fuels, such as solar, wind, and hydroelectric power.

Front

What does it mean for energy sources to be less polluting?

Back

It means that these energy sources produce fewer harmful emissions and pollutants compared to traditional fossil fuels.

Front

Why do some regions lack fresh water?

Back

Water sources are unequally distributed, and much of the freshwater is tied up as ice in glaciers and ice caps.

Front

What is the significance of the water cycle?

Back

The water cycle is crucial for distributing fresh water across the planet, but its effectiveness can vary by region.

Front

What is a gas-powered vehicle?

Back

A vehicle that runs on gasoline or diesel fuel, typically allowing for longer travel distances compared to electric vehicles.

Front

What does it mean for energy resources to be renewable?

Back

Renewable energy resources can be replenished naturally over time, such as solar and wind energy.

Front

What is exponential growth in population?

Back

A rapid increase in population size where the growth rate becomes faster as the population grows.

Front

What is overpopulation?

Back

A situation where the number of people exceeds the capacity of the environment to support them.

Front

What are underground aquifers?

Back

Natural underground layers of water-bearing rock that store fresh water.

Front

What is the impact of improper damming of natural waterways?

Back

It can disrupt the natural flow of water, affecting ecosystems and the availability of fresh water.