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November 2025

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Latest from November 2025

Acid rain includes HNO3 and what other chemical? Responses A H2SO4H 2 SO 4 B HClHCl C NaOHNaOH D S
Asked by Blaine 1 answer
Several teeth were found in an area of flat land covered with trees and plants. The teeth were examined by a paleontologist, and it was determined that the teeth came from a shark. They found many other shark teeth in th...
Asked by Blaine 1 answer
This preserved piece of the delta floor from Western Indiana shows how animals lived and died together. It also shows us that at one time Western Indiana was ____________ and wave action covered this area of the delta wi...
Asked by Blaine 1 answer
A geologist examined a canyon wall and found younger rock layers on top of older rock layers. Which principle does this observation support? Responses A Radioactive dating proves that all rocks are the same age.Radioacti...
Asked by Blaine 1 answer
Volcanic rock shows that some layers have magnetic fields that are aligned opposite to Earth’s. This evidence BEST fits which hypothesis? Responses A Earth's rotation has reversed in the past.Earth's rotation has reverse...
Asked by Blaine 1 answer
several miles in diameter originate beyond the outer planets thought to have struck early Earth bodies of ice, stone, and organic compounds may have created major changes to Earth's early climate The list above describes...
Asked by Blaine 1 answer
Spring break had arrived, and Carol's family went camping along the river, seen here. During their stay, the family dug for fossils. Carol's father found pieces of elk skull and the bones of some other unidentified anima...
Asked by Blaine 1 answer
Scientists used radioactive dating to measure the age of a volcanic rock layer. They determined the rock was about 200 million years old. How does this evidence support scientific theories about Earth’s history? Response...
Asked by Blaine 1 answer
Drumlins, kames, eskers and moraines are land forms left over from the last ice age, they are associated with Responses A volcanic eruptions.volcanic eruptions. B flooding of rivers.flooding of rivers. C wind blown sedim...
Asked by Blaine 1 answer
As the polar ice caps melted and the sea level rose more than 300 feet above present day levels. A sharp drop-off that was left behind by this ancient shoreline can now be seen. This sharp drop-off called a _____________...
Asked by Blaine 1 answer
Carbon dating and other similar methods calculate age of a sample by quantifying the amount of Responses A nuclear fusion.nuclear fusion. B photosynthesis.photosynthesis. C radioactive decay.radioactive decay. D electron...
Asked by Blaine 1 answer
The crucial difference between relative dating and absolute dating is that Responses A relative dating requires relatives of the fossil to be living while absolute dating does not.relative dating requires relatives of th...
Asked by Blaine 1 answer
Which isotope is used to date ancient remains? Responses A carbon-14carbon-14 B hydrogen-3hydrogen-3 C lead-205lead-205 D uranium-238
Asked by Blaine 1 answer
Which statement BEST hypothesizes the evolutionary history of the area shown? Responses A The area was once an ocean and was replaced by taiga and coniferous forest.The area was once an ocean and was replaced by taiga an...
Asked by Blaine 1 answer
Early geologists were only able to place rocks in their proper order of formation based on their layering. This is called Responses A relative dating.relative dating. B radiometric dating.radiometric dating. C principle...
Asked by Blaine 1 answer
A group of scientists is investigating the site of an ancient volcanic eruption. How can scientists determine whether more than one eruption occurred? Responses A by analyzing the order in which the different layers of a...
Asked by Blaine 1 answer
Which of the following describes the law of superposition in geology? Responses A The oldest rock layers are found at the top of a sequence of rock layers.The oldest rock layers are found at the top of a sequence of rock...
Asked by Blaine 1 answer
Magma exists below tEarth's crust. B. Magma can push through holes or cracks in the crust. C. All magma intrusions result in volcanoes on Earth's surface. D. Layer A must exist at higher temperatures than the other layer...
Asked by Blaine 1 answer
Which of the following powers did only the States have under the Articles of Confederation? Hints: Power means the ability to do something or make decisions. Group of answer choices Raise and lead an army Establish court...
Asked by darren 1 answer
Radioactive dating looks at the carbon-14 remaining in __________ material. Responses A inorganicinorganic B metallicmetallic C organicorganic D rocky
Asked by Blaine 1 answer
Interpret the block diagram seen here. Arranging the letters from oldest to youngest, the order should be Responses A A, C, B, D, E, F, H, GA, C, B, D, E, F, H, G B A, B, D, E, C, H, F, GA, B, D, E, C, H, F, G C A, B, C,...
Asked by Blaine 1 answer
Which of the following was a major weakness of the Articles of Confederation? Hints: Weakness means a problem or limitation. Group of answer choices It gave the national government the ability to settle disputes between...
Asked by darren 1 answer
Select the observation that would illustrate Nicolas Steno's Law of Superposition. Responses A Fossils have been found in South Africa.Fossils have been found in South Africa. B Fossils were found near the top of a rock...
Asked by Blaine 1 answer
What was the primary reason the Articles of Confederation were created? Hints: Primary means main or most important. Group of answer choices To avoid the same type of government as under British rule To create a stronger...
Asked by darren 1 answer
The fossil evidence found in these sedimentary layers BEST implies that Responses A invertebrates evolved into vertebrates.invertebrates evolved into vertebrates. B animals evolved bony skeletons after shells.animals evo...
Asked by Blaine 1 answer