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Questions (18)
Which allowed scientists to determine that Eart was at least 4.3 billion years old?
3 answers
48 views
Which allowed scientists to determine that earth was at leat 4.3 billion years old?
magnetic field surrounding zircon chemical
3 answers
65 views
Which evidence of the giant impact theory suggests that earth and the moon may have once been in the same place?
The temperatures
3 answers
80 views
How long ago do the scientists think the solar system formed?
3 answers
40 views
Why is deuterium oxide called " heavy water"?
3 answers
57 views
Why is deuterium oxide called " heavy water"?
Is it because it has extra hydrogen atoms?
3 answers
92 views
Why is deuterium oxide called " heavy water"?
it has extra hydrogen atoms it has extra oxygen atoms its oxygen atoms are heavier
3 answers
105 views
Why is it hard to find the age of the Earth?
3 answers
21 views
Why is it hard to find the age of the Earth?
Earth's surface is constantly changing There is no way to find the age of rocks The
3 answers
55 views
Why is it hard to find the age of the Earth?
Earth's surface is constantly changing There is no way to find the age of rocks The
3 answers
44 views
Ms. Longoria's 6th-grade class had breakfast. The students had a choice of apple juice or orange juice. Of the 30 students, 14
3 answers
60 views
The following table displays the results of a survey of 60 6th-grade students on what color athletic shoe they would want.
Shoe
3 answers
52 views
A family room is 15 feet wide by 20 feet long. Compare the width to the length using a ratio. Express the answer in the lowest
3 answers
28 views
A fifth-grade math class has 14 boys and 12 girls. Compare the number of girls to the number of boys using a ratio. Express the
3 answers
50 views
Last weekend, a local store sold 23 phones, 13 stereos, and 17 televisions. What is the part-to-part ratio for phone to
3 answers
37 views
Ms. Lee's class voted on what device they would like. The following tabke displays the results of the survey.
Type of device and
3 answers
51 views
Mrs. Kwon's science students took a pop quiz. Six students failed the quiz, and 16 students passed the quiz. Show you understand
3 answers
38 views
A recipe calls for 1.5 cups of flour and 0.5 cups of milk. Compare the number of cups of flour to te number of cups of milk
3 answers
52 views
