Understanding the Importance of Trees

How many trees are estimated to be on the Earth's surface?

• 3 trillion

• 1 billion

• 500 million

• 10 trillion

What part of the tree is responsible for absorbing water and minerals from the soil?

• Branches

• Trunk

• Roots

• Leaves

Which process allows trees to convert sunlight into energy?

• Evaporation

• Transpiration

• Photosynthesis

• Respiration

What gas do trees help to reduce in the atmosphere, which contributes to the greenhouse effect?

• Oxygen

• Nitrogen

• Methane

• Carbon Dioxide

How do trees help in regulating the climate?

• By increasing wind speed

• By releasing more carbon dioxide

• By absorbing sunlight

• By providing shade and reducing water evaporation