GEL 1.1

Which of the following processes help to explain how vegetation helps to lower air temperatures?

• Precipitation

• Evapotranspiration

• Condensation

• Respiration

How do plants help to remove pollutants from the environment?

• By absorbing gases such as oxygen and sulfur dioxide

• The leaves intercept small particles which are washed to the ground when it rains

• Wetland plants trap suspended materials/absorb excess nutrients in the water

Which of the following describes how people may bring disadvantages to nature? (can pick more than one option)

• Feeding hungry monkeys while on their hikes

• Improper disposal of waste

• Chatting and laughing loudly while walking in a park

Hiking along non-designated trails may lead to ______. This prevents infiltration, leading to higher surface flows and soil erosion.

Which of the following does not help to explain the increase in human-wildlife encounters in Singapore?

• Building of BTO flats in a once-forested area.

• Greater interest in scenic hikes in nature areas

• Including green spaces/different species in new neighbourhoods

• Culling of wildlife to control its population

It is impossible to strike a balance between environmental protection and development.

• True

• False