Use the properties of operations and rules for multiplying and dividing to solve:
(−3/5)×(51/6)×(7/12)÷(−3/16)×(−5/7)
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Which feature provides evidence that a volcano existed in the past?
mountains
calderas
rivers
valleys
The feature that provides evidence that a volcano existed in the past is calderas. Calderas are large volcanic craters that form as a result of a volcanic eruption or the collapse of a volcano's summit. They are distinct geological formations that indicate the presence of a volcanic activity in the past.
What are the Palisades?
a series of lakes formed after the collapse of a volcano
a set of islands formed through a hot spot
a group of geysers formed after a volcanic eruption
a line of cliffs formed from eroded volcanic rock
A line of cliffs formed from eroded volcanic rock is the correct answer. The Palisades are a geological formation located along the western edge of the Hudson River in New York and New Jersey, USA. These cliffs are composed of columnar basalt, which is volcanic rock that was formed when lava solidified and contracted in a pattern of hexagonal columns. Over time, erosion and weathering have shaped the rock into the distinctive vertical cliffs known as the Palisades.
Which describes how the islands of Hawaii were formed?(1 point)
Responses
The islands sit on hotspots that form volcanoes which then break the ocean surface.
The islands sit on hotspots that form volcanoes which then break the ocean surface.
The hotspot switch places which intensifies movement of plates.
The hotspot switch places which intensifies movement of plates.
The Pacific plates move and later join together to form the islands.
The Pacific plates move and later join together to form the islands.
Older and bigger islands collides after volcanic eruptions which creates new islands.
The correct description of how the islands of Hawaii were formed is:
The islands sit on hotspots that form volcanoes which then break the ocean surface.
Which best describes how volcanoes change the Earth’s surface?(1 point)
Responses
Volcanoes create new landmasses on the surface.
Volcanoes create new landmasses on the surface.
Volcanoes increase the temperature of the atmosphere every year.
Volcanoes increase the temperature of the atmosphere every year.
Volcanoes provide new habitat for species on Earth.
Volcanoes provide new habitat for species on Earth.
Volcanoes alter the gases available in the atmosphere slowly.
The best description of how volcanoes change the Earth's surface is:
Volcanoes create new landmasses on the surface.