The three classes of rocks are sedimentary, metamorphic, and igneous. How are rocks classified into one of these three groups?
(1 point)
Responses
According to the amount of weathering they have endured
According to the amount of weathering they have endured
According to how many times they have been through the rock cycle
According to how many times they have been through the rock cycle
According to the method of their formation
According to the method of their formation
According to their position in the lithosphere
According to their position in the lithosphere
According to the method of their formation.
The diagram below shows a sequence of rock layers. Examine the diagram, and answer the question that follows. Using radiometric dating, scientists have determined that Layer M is 110 million years old. Based on this information and the principle of superposition (younger layers lie above older layers):
(1 point)
Responses
Layers T, R, X, and G are all older than 110 million years.
Layers T, R, X, and G are all older than 110 million years.
Layer T is older than 110 million years, and Layers R, X, and G are younger than 110 million years.
Layer T is older than 110 million years, and Layers R, X, and G are younger than 110 million years.
Layers T, R, X, and G are all younger than 110 million years.
Layers T, R, X, and G are all younger than 110 million years.
Layer T is younger than 110 million years, and Layers R, X, and G are older than 110 million years.
Layer T is younger than 110 million years, and Layers R, X, and G are older than 110 million years.
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Layer T is younger than 110 million years, and Layers R, X, and G are older than 110 million years.
Visible light that reaches the Earth from the Sun is known as white light. Which of the following statements about white light is true?(1 point)
Responses
White light is made up mostly of ultraviolet and infrared light.
White light is made up mostly of ultraviolet and infrared light.
White light falls within the microwave portion of the electromagnetic spectrum.
White light falls within the microwave portion of the electromagnetic spectrum.
White light is made up of a spectrum of many different colors.
White light is made up of a spectrum of many different colors.
White light is made up of only one color.
White light is made up of only one color.
White light is made up of a spectrum of many different colors.
At one time, all living organisms were separated into only two kingdoms—Animals and Vegetables. Once the microscope was invented and improvements in microscopy were made, however, more kingdoms were defined. The Protist kingdom was established in 1866, and the Monera kingdom was added in 1938.The Monera kingdom was later subdivided into the Eubacteria and Archea kingdoms in the1990s. Fungi were classified as plants until 1969. What is one reason why fungi were separated into a new kingdom?
(1 point)
Responses
The cell walls in fungi are composed of chitin. Plant cell walls are composed of cellulose.
The cell walls in fungi are composed of chitin. Plant cell walls are composed of cellulose.
Fungi are able to undergo photosynthesis and make their own food. Plants get the nutrients that they need by consuming other organisms.
Fungi are able to undergo photosynthesis and make their own food. Plants get the nutrients that they need by consuming other organisms.
Fungi are prokaryotic. Plants are eukaryotic.
Fungi are prokaryotic. Plants are eukaryotic.
All fungi are unicellular. All plants are multicellular.
The cell walls in fungi are composed of chitin. Plant cell walls are composed of cellulose.
Different seasons arise as the Earth revolves around the Sun because the Earth's axis is tilted. When the Northern Hemisphere is tilted towards the Sun, what seasons will the two hemispheres be experiencing?(1 point)
Responses
Both hemispheres will be in summer.
Both hemispheres will be in summer.
The Northern Hemisphere will be in summer, and the Southern Hemisphere will be in winter.
The Northern Hemisphere will be in summer, and the Southern Hemisphere will be in winter.
Both hemispheres will be in winter.
Both hemispheres will be in winter.
The Northern Hemisphere will be in winter, and the Southern Hemisphere will be in summer.
The Northern Hemisphere will be in summer, and the Southern Hemisphere will be in winter.
The diagram below shows the lungs, which are the main organs in the respiratory system. What is the main function of the respiratory system?
(1 point)
Responses
to send signals from one part of the body to other parts of the body
to send signals from one part of the body to other parts of the body
to exchange oxygen and carbon dioxide gases within the body
to exchange oxygen and carbon dioxide gases within the body
to break down food into nutrients that can be circulated throughout the body
to break down food into nutrients that can be circulated throughout the body
to protect the body against foreign substances, such as bacteria and viruses
to protect the body against foreign substances, such as bacteria and viruses