Effects of human activities on the environment Practice exercise 4

A farmer burns a large area of vegetation to clear land for planting. What is the most likely impact of this activity on the soil?

A farmer burns a large area of vegetation to clear land for planting. What is the most likely impact of this activity on the soil?  (1 mark)

A farmer burns a large area of vegetation to clear land for planting. What is the most likely impact of this activity on the soil?  (1 mark)

A school decides to install a biodigester instead of dumping food waste into the river. What is the environmental benefit of this action?

A school decides to install a biodigester instead of dumping food waste into the river. What is the environmental benefit of this action?  (1 mark)

A school decides to install a biodigester instead of dumping food waste into the river. What is the environmental benefit of this action?  (1 mark)

After building a tarmac road through a forest, residents near Mount Elgon noticed fewer monkeys around. What is the most likely explanation for this change?

After building a tarmac road through a forest, residents near Mount Elgon noticed fewer monkeys around. What is the most likely explanation for this change?  (1 mark)

After building a tarmac road through a forest, residents near Mount Elgon noticed fewer monkeys around. What is the most likely explanation for this change?  (1 mark)

Look at the image showing smoke being released from factory chimneys. What is the most likely long-term environmental effect of this activity?

Look at the image showing smoke being released from factory chimneys. What is the most likely long-term environmental effect of this activity?  (1 mark)

Look at the image showing smoke being released from factory chimneys. What is the most likely long-term environmental effect of this activity?  (1 mark)

Study the image showing a dumpsite next to a river. What problem is most likely to occur if it rains heavily?

Study the image showing a dumpsite next to a river. What problem is most likely to occur if it rains heavily?  (1 mark)

Study the image showing a dumpsite next to a river. What problem is most likely to occur if it rains heavily?  (1 mark)

A large-scale maize farm uses irrigation canals that are left running overnight. What is the most likely environmental effect of this practice?

A large-scale maize farm uses irrigation canals that are left running overnight. What is the most likely environmental effect of this practice?  (1 mark)

A large-scale maize farm uses irrigation canals that are left running overnight. What is the most likely environmental effect of this practice?  (1 mark)

A new highway is constructed across a wildlife corridor. Which long-term ecological consequence is most likely?

A new highway is constructed across a wildlife corridor. Which long-term ecological consequence is most likely? (1 mark)

A new highway is constructed across a wildlife corridor. Which long-term ecological consequence is most likely? (1 mark)

A town near Lake Victoria relies on plastic packaging and has no recycling centre. What long-term effect is most likely if waste management doesn't improve?

A town near Lake Victoria relies on plastic packaging and has no recycling centre. What long-term effect is most likely if waste management doesn't improve?   (1 mark)

A town near Lake Victoria relies on plastic packaging and has no recycling centre. What long-term effect is most likely if waste management doesn't improve?   (1 mark)

Farmers in Kilifi noticed a significant drop in fish population in a nearby river after increasing use of chemical fertilisers. What is the most likely reason for the fish decline?

Farmers in Kilifi noticed a significant drop in fish population in a nearby river after increasing use of chemical fertilisers. What is the most likely reason for the fish decline?  (1 mark)

Farmers in Kilifi noticed a significant drop in fish population in a nearby river after increasing use of chemical fertilisers. What is the most likely reason for the fish decline?  (1 mark)

Study the image showing a city with many buildings and few trees. What environmental problem is most likely caused by this form of urbanisation?

The image below shows  What environmental problem is most likely caused by this form of urbanisation?  (1 mark)

The image below shows  What environmental problem is most likely caused by this form of urbanisation?  (1 mark)