Which of the following is NOT a common landform caused by the passing of a glacier?
Drumlins
Esker
Moraine
Steppe ********************
There are sometimes flowing rivers within a glacier.
True ***************************
False
Glaciers form and grow when the snowfall from one season does not melt and is later covered and compressed into ice by the snowfall of the following seasons.
True ******************************
False
Scientists believe that the Earth is presently overdue for an Ice Age.
True *********************************
False
Ocean levels rise during an ice age due to an increase in moisture retention in Earth's global biosphere.
True
False*****************************
Answers:
1.D
2.A
3.A
4.A
5.B
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To determine which of the following is NOT a common landform caused by the passing of a glacier, we need to understand the characteristics of each landform.
1. Drumlins: These are smooth, elongated hills that are generally aligned in the direction of glacier movement. They are typically found in groups and formed under the ice or during the melting phase of a glacier.
2. Esker: An esker is a long, winding ridge of gravel and sediments that forms within or on top of a glacier. It is composed of material deposited by meltwater streams flowing within or beneath the ice.
3. Moraine: A moraine is a landform made of debris (rock, soil, and sediment) that gets carried or pushed along by a glacier. It can be found as ridges or mounds of material deposited by the glacier's movement or meltwater.
4. Steppe: A steppe is a vast, flat, treeless grassland. It is typically found in dry or semi-arid regions and is not directly related to glacial activity.
Therefore, the answer is Steppe, as it is not a landform caused by the passing of a glacier.
To determine if there are flowing rivers within a glacier, we can consider the nature of glaciers and their internal structure. True or False?
Glaciers are massive bodies of ice that flow under their weight, and they are known to possess a complex system of interconnected channels and veins that can facilitate the movement of water. Therefore, the statement "There are sometimes flowing rivers within a glacier" is TRUE.
To understand how glaciers form and grow, we need to analyze the process of snow accumulation and subsequent compression. Is the statement "Glaciers form and grow when the snowfall from one season does not melt and is later covered and compressed into ice by the snowfall of the following seasons" true or false?
The statement is TRUE. Glaciers form when snow accumulates over time and undergoes compression, which transforms it into dense ice. This process occurs when the snowfall in a particular region exceeds the amount of snowmelt during the warmer seasons.
To determine if scientists believe that the Earth is presently overdue for an ice age, we need to consider scientific theories and predictions. Is the statement "Scientists believe that the Earth is presently overdue for an Ice Age" true or false?
The statement is TRUE. Some scientists speculate that the Earth is overdue for an Ice Age based on historical patterns and the current interglacial period we are experiencing, which has lasted for thousands of years. However, the timing and occurrence of Ice Ages are still subject to ongoing scientific research and analysis.
To determine if ocean levels rise during an ice age due to an increase in moisture retention in Earth's global biosphere, we must consider the relationship between the global climate system and glacial cycles. Is the statement "Ocean levels rise during an ice age due to an increase in moisture retention in Earth's global biosphere" true or false?
The statement is FALSE. During an Ice Age, significant amounts of water become trapped in ice sheets and glaciers, causing a decrease in ocean levels, not a rise. The redistribution of water from the ocean to ice reservoirs is a crucial characteristic of glacial cycles. When the ice eventually melts, ocean levels rise again.
I hope this explanation helps!