Question

9. The planet is presently in a receding Ice Epoch because effect' that Homo 10. Name 3 things humans can do to reduce the increasing 'greenhouse e sapiens have generated since the beginning of the A) Industrial Revolution B) C) 11. Draw an illustration of an Alpine Glacier from the peak of a tall mountain in the Arctic down to sea level. On your picture, locate and label by name the following features: a) horm& arete, b) cirque,e) lateral moraines, d) medial moraine, e) piedmont glacier, e) terminal moraine, f) fjord.

Answer 1

9. The Earth is currently in a warm, interglacial phase as the last ice age ended around 11,000 years ago. The periods of glaciation are regulated by the orbital cycles depending on the orientation of the Earth's orbit and its axis relative to the Sun. The planet is presently in a receding Ice Epoch because of the ongoing interglacial cycle in which the intensity of heat produced by greenhouse gases is high enough to cause the melting of ice covering the Earth.

10. The three things humans can do to reduce the increasing "greenhouse effect" are:

A) Consume lesser electricity by using energy-efficient appliances and lights

B) Replace single-use plastics with reusable, recyclable, bio-degradable products

C) Plant trees, especially those varieties which are indigenous to one's respective region.

11. Horn and arete are found at the top of the peak. Cirque is a depression on the side of the mountains. Lateral and medial moraines are found at the edge of the glacier and at the center of the valley respectively. Piedmont glacier is found where the glacier moves as a bulbous mass into a gently sloped surface. Terminal moraine is found at the outermost edge of the ice. A fjord is a steep-sided valley formed by the action of glaciers on the mountains.

horn arête cirque lateral moraine medial moraine piedmont glacier terminal moraine fjord