Chemistry, 22.11.2020 06:10, betsylancer8522

Which of these is used to find the estimated age range of a fossil? (1 point) Absolute dating
Half-life
Index fossils
Radioactive dating
2.
(03.01 MC)

The table below shows the age of fossils found in four separate layers of an undisturbed rock:

Fossils In Rock Layers
Layer Fossil in Layer Age of Fossil (million years)
A W 550
B X 240
C Y 680
D Z 450

Which is the topmost layer of the rock? (1 point)
Layer A
Layer B
Layer C
Layer D
3.
(03.01 MC)

The table below shows the half-life of an element:

Half-Life Data
Element Half-Life
Carbon-14 5,730 years

Scientists have found that the carbon-14 content of an unknown prehistoric sample was reduced to one-half. What best describes the identity of the sample? (1 point)
An organism that died more than 10,000 years ago
A rock that formed more than 10,000 years ago
An organism that died 5,730 years ago
A rock that formed 5,730 years ago
4.
(03.02 LC)

Which is the outermost layer of Earth? (1 point)
Core
Crust
Lithosphere
Mesosphere
5.
(03.02 MC)

If Earth was like a hardboiled egg, which part of Earth would the egg yolk represent? (1 point)
Core, as it makes up the most part of Earth's diameter
Core, as it lies between the crust and the mantle
Mantle, as it lies between the crust and the core
Mantle, as its depth is less than 100 kilometers
6.
(03.02 MC)

Two students described a part of Earth's innermost layer.

Daniel: Densest part
Joshua: Has highest temperature and pressure

Which part of the innermost layer did Daniel and Joshua describe? (1 point)
They both described the outer part.
They both described the inner part.
Daniel described the outer part and Joshua described the inner part.
Daniel described the inner part and Joshua described the outer part.
7.
(03.02 LC)

How does the mantle interact with the crust at a subduction zone? (1 point)
a. Plates move apart to form deep cracks in the crust.
b. Plates move towards each other to form mountains.
c. A plate is pulled under another plate and melts into the mantle.
d. Molten materials seep out when plates move away from each other.

Answers: 2

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Which of these is used to find the estimated age range of a fossil? (1 point) Absolute dating
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