Questions and answers by

abigail

Questions (275)

Which mineral property can be determined simply by observation?Responses luster luster magnetic properties magnetic properties
1. 1 answer
2. 64 views
What characteristic makes a substance a mineral?Responses It is hard. It is hard. Its structure is crystal. Its structure is
1. 1 answer
2. 91 views
What is the difference between mechanical weathering and chemical weathering?
1. 1 answer
2. 105 views
How do plate tectonics explain the formation of metamorphic rocks?
1. 1 answer
2. 63 views
What is the difference between the color and streak of a mineral?
1. 1 answer
2. 54 views
Why don't people have more information about the Indus Valley civilization?Responses only one ancient city in the Indus Valley
1. 1 answer
2. 65 views
Which best describes why the Neolithic Revolution was such an important turning point in history?Responses Metal tools allowed
1. 1 answer
2. 58 views
Which method was used by early empire builders to gain and maintain power?Responses removing taxes on citizens removing taxes on
1. 1 answer
2. 30 views
Which describes accomplishments of the Persian Empire?Responses inventing bronze, writing, and the wheel inventing bronze,
1. 1 answer
2. 57 views
Which civilization built ziggurats and used cuneiform to record information?Responses China China Egypt Egypt Mesopotamia
1. 1 answer
2. 58 views
Why were early clans of hunter-gatherers not considered civilizations?Responses they hunted animals for food they hunted animals
1. 1 answer
2. 38 views
Which best describes a result of division of labor in early farming communities?Responses religion began to develop religion
1. 1 answer
2. 62 views
Why were the people in early farming communities able to focus on different kinds of work?Responses changing climate caused
1. 1 answer
2. 40 views
Which kind of scholar studies objects left behind by humans?Responses anthropologist anthropologist paleontologist
1. 1 answer
2. 82 views
What does the out of Africa theory maintain?Responses modern humans originated in Africa and migrated to other parts of the
1. 1 answer
2. 64 views
how to make cake
1. 1 answer
2. 35 views
Demonstrate in a brief paragraph how the search to explain planetary orbits exemplifies the scientific method and the use of
1. 1 answer
2. 54 views
Which scientist developed a new model of planetary motion?Responses Rutherford Rutherford Kelvin Kelvin Darwin Darwin Kepler
1. 1 answer
2. 60 views
A major concern about increasing global temperatures is that a large portion of polar ice could detach and melt into the ocean.I
1. 1 answer
2. 59 views
How can the geosphere affect the atmosphere?Responses by a tidal wave by a tidal wave by a earthquake by a earthquake by a
1. 1 answer
2. 63 views
What is the cryosphere?Responses earth’s ice earth’s ice earth’s crust earth’s crust molten rock molten rock sedimentary
1. 1 answer
2. 46 views
What does the hydrosphere include?Responses plants plants dust dust fish fish rivers
1. 1 answer
2. 36 views
According to the ideas of William Smith, which rock layers are the same age?Responses layers with different fossils layers with
1. 1 answer
2. 79 views
Mountains are part of which earth sphere?Responses cryosphere cryosphere hydrosphere hydrosphere geosphere geosphere lithosphere
1. 1 answer
2. 59 views
In 1650, an individual calculated that the earth was about 6,000 years old.What has happened to scientists’ estimates of the
1. 1 answer
2. 64 views
Why study earth science?Responses to understand how plants reproduce to understand how plants reproduce to reduce pollution from
1. 1 answer
2. 58 views
Which action is an important part of scientific methods?Responses using calculators using calculators making hypotheses making
1. 1 answer
2. 57 views
Which information provides evidence that has helped earth scientists determine the age of the earth more precisely?Responses
1. 1 answer
2. 72 views
What do earth scientists study?Responses oceans oceans farming methods farming methods machines machines plant cells
1. 1 answer
2. 49 views
Which expression uses the greatest common factor and the distributive property to rewrite the sum 75 + 45?Responses 15(5+3) 15
1. 1 answer
2. 37 views
What is an expression equivalent to 5(32) using the distributive property?
1. 1 answer
2. 28 views
Apples come in bags of 4. Oranges come in bags of 6.What is the least number of bags of each a person has to buy to have the
1. 1 answer
2. 62 views
What is the least common multiple of 4 and 8?
1. 1 answer
2. 39 views
What is the greatest common factor of 36 and 63?Responses 3 3 6 6 9 9 18
1. 1 answer
2. 36 views
What is the prime factorization of 56?Responses 2⋅2⋅2⋅7 2 times 2 times 2 times 7 2⋅2⋅2⋅5 2 times 2 times 2 times 5
1. 1 answer
2. 32 views
A landscaper uses 1225 pounds of soil to complete a project. The soil comes in bags that weigh 40 pounds each.How many bags of
1. 1 answer
2. 47 views
A home repair service company earned $990 performing annual inspections. They charged $55 for each inspection.How many
1. 1 answer
2. 66 views
Divide.19,43256 Responses 311 311 316 316 324 324 347
1. 1 answer
2. 46 views
In which number is the value of the digit 2 ten times the value of the digit 2 in 432,094?Responses 193,283 193,283 342,198
1. 1 answer
2. 60 views
What is the value of the digit 2 in 432,094?Responses 200 200 2,000 2,000 20,000 20,000 200,000
1. 1 answer
2. 34 views
Explain why a black asphalt parking lot feels hotter to your bare feet than a concrete sidewalk does, and describe how the heat
1. 1 answer
2. 29 views
With regard to wind, describe the time of day that an early explorer might have planned to enter a harbor and when he might have
1. 1 answer
2. 67 views
Which list shows the absolute values in order from least to greatest?|21.95|, |−22.02|, |−22.11| vertical line 21.95
1. 1 answer
2. 97 views
Which comparison symbol makes each inequality statement true?−1158 −1168 ∣∣−1158∣∣ ∣∣−1168∣∣
1. 1 answer
2. 40 views
Which statements about opposites are trueThe opposite of a number is 1 divided by that number. The opposite of a number is 1
1. 1 answer
2. 52 views
Is the phenomenon of no vegetation at the top of a mountain something that happens on all mountains?
1. 1 answer
2. 42 views
Why does the amount of vegetation decrease at high elevations on the mountain?
1. 1 answer
2. 44 views
Contrast the usefulness of absolute and relative dating techniques.
1. 1 answer
2. 127 views
A year is divided into months, weeks, and days. The geologic time scale is also divided into time categories. What are the time
1. 1 answer
2. 77 views
In the diagram, which layer of rock is the oldest?Responses F F J J D D Z Z
1. 1 answer
2. 54 views
A scientist is interested in comparing the age of a rock with other rocks. By doing this, the scientist is determining
1. 1 answer
2. 98 views
Fossils of the reptile Mesosaurus have been found in both Africa and South America. Which of the following is a likely
1. 1 answer
2. 71 views
What does the presence of dinosaur footprints in an area where no dinosaur bones were found suggest?Responses Dinosaurs were
1. 1 answer
2. 86 views
Only a small portion of the organisms that lived in the geologic past have been preserved as fossils. Which condition best
1. 1 answer
2. 85 views
Fossils in Precambian rocks are rare, while there are many fossils in rocks from the Phanerozoic eon. What does this evidence
1. 1 answer
2. 74 views
Which of the following events separate geologic time into eras and periods?Responses the appearance and disappearance of groups
1. 1 answer
2. 120 views
Volcanic rock has often been found early in the rock record but less frequently in later rock layers. What does this suggest to
1. 1 answer
2. 73 views
Suppose you are hiking in the hills and you come across a wall of rock. You look closely at the rock and you notice a Trilobite
1. 1 answer
2. 84 views
Which of the following could be used to interpret the geologic history of a location?Responses plant life plant life human
1. 1 answer
2. 126 views
Geologists frequently look at the relationships among rock layers. Which statement best describes the information geologists get
1. 1 answer
2. 50 views
What does the theory of uniformitarianism state?Responses Geologic processes we see today were also at work in the past.
1. 1 answer
2. 82 views
The disappearance of organisms from the geologic record provides evidence for which of the following events?Responses periods of
1. 1 answer
2. 50 views
Which of the following is the primary technique for determining the absolute age of a rock?Responses measuring radioactive decay
1. 1 answer
2. 76 views
__________ are scientists who study human culture.
1. 1 answer
2. 45 views
__________ are scientists who study fossil remains of ancient animals and plants.ResetCheck
1. 1 answer
2. 71 views
Is the following a characteristic of early hunter-gatherer communities?Planted wheat and corn ResetCheck
1. 1 answer
2. 86 views
Is the following a characteristic of early hunter-gatherer communities?Painted animals and symbols on cave walls ResetCheck
1. 1 answer
2. 133 views
s the following a characteristic of early hunter-gatherer communities?Carved figures out of stone and ivory ResetCheck
1. 1 answer
2. 92 views
Is the following a characteristic of early hunter-gatherer communities?Made needles and spearheads out of bone ResetCheck
1. 1 answer
2. 69 views
Is the following a characteristic of early hunter-gatherer communities?Built temples and monuments ResetCheck
1. 1 answer
2. 134 views
Is the following a characteristic of early hunter-gatherer communities?Hunted game and gathered berries and nuts ResetCheck
1. 1 answer
2. 106 views
Is the following a characteristic of early hunter-gatherer communities?Lived in small dwellings made of baked mud bricks
1. 1 answer
2. 83 views
Which god or goddess is not correctly matched with his or her role?Responses
1. 1 answer
2. 91 views
What is the name of the writing system of the ancient Egyptians?
1. 1 answer
2. 60 views
The ____________ is the longest river in the world.
1. 1 answer
2. 66 views
Which statements reflect Sumerian religious beliefs? Check all that apply.Responses The Sumerians based their religious beliefs
1. 1 answer
2. 98 views
Which played a part in the decline of Sumer? Check all that apply.Responses natural disasters natural disasters salinization
1. 1 answer
2. 59 views
The Sumerians built ___________ as temples for their gods.
1. 1 answer
2. 67 views
What metal did the Sumerians use to make better weapons, tools, and farm implements?Responses steel steel copper copper iron
1. 1 answer
2. 90 views
Which is not a characteristic, or element, of civilization?Responses writing (or record-keeping) writing (or record-keeping)
1. 1 answer
2. 82 views
Sumer was a theocracy; their leaders were believed to receive their power and guidance from ____________.Responses the priests
1. 1 answer
2. 136 views
The people of Sumer planted corn and learned to terrace the steep hills to produce a surplus of food.Responses True True False
1. 1 answer
2. 73 views
The Sumerians were the earliest known inventors of which of the following?Responses the compass the compass spears spears
1. 1 answer
2. 55 views
The Sumerians were the earliest known inventors of which of the following
1. 1 answer
2. 64 views
Ancient Sumer was able to develop trade with its neighbors because Sumerian farmers grew a _____________ of food.
1. 1 answer
2. 90 views
What was the Sumerian form of writing called?
1. 1 answer
2. 62 views
__________ detects changes in the earth's magnetic field.
1. 1 answer
2. 88 views
Is the following a characteristic of early hunter-gatherer communities?Wore tunics made of hide and fur
1. 1 answer
2. 112 views
Is the following a characteristic of early hunter-gatherer communities?Lived in caves or simple huts
1. 1 answer
2. 139 views
Is the following a characteristic of early hunter-gatherer communities?Used fire to harden spear tips and cook food
1. 1 answer
2. 64 views
Is the following a characteristic of early hunter-gatherer communities?Planted wheat and corn
1. 1 answer
2. 84 views
Is the following a characteristic of early hunter-gatherer communities?Painted animals and symbols on cave walls
1. 1 answer
2. 104 views
Is the following a characteristic of early hunter-gatherer communities?Carved figures out of stone and ivory
1. 1 answer
2. 96 views
Is the following a characteristic of early hunter-gatherer communities?Made arrowheads and knives from bronze
1. 1 answer
2. 83 views
Is the following a characteristic of early hunter-gatherer communities?Made needles and spearheads out of bone
1. 1 answer
2. 80 views
Is the following a characteristic of early hunter-gatherer communities?Built temples and monuments
1. 1 answer
2. 119 views
Is the following a characteristic of early hunter-gatherer communities?Hunted game and gathered berries and nuts
1. 1 answer
2. 94 views
Is the following a characteristic of early hunter-gatherer communities?Lived in small dwellings made of baked mud bricks
1. 1 answer
2. 139 views
Is the following a characteristic of early hunter-gatherer communities?Lived in small groups, or clans of 20–30 extended
1. 1 answer
2. 80 views
What are the coordinates of point W?
1. 1 answer
2. 63 views