Why were there no fossils from the Hadean eon?

The Earth was too hot and volatile for life to exist.

One advantage of fossil fuels is that ______.

they are inexpensive to extract and utilize

Why did scientist develop the geologic time scale?

to represent the evolutionary history of Earth

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Ch.10 Fossils

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Answers

1
Which is not a disadvantage of fossil fuel?
limited supply
inexhaustible
habitat disruption
pollution
2
Which is not a type of renewable energy?
solar energy
nuclear energy
biomass energy
wind energy
3
Which unit of time is the oldest?
Hadean period
Hadean epoch
Hadean era
Hadean eon
4
Why were there no fossils from the Hadean eon?
Dinosaurs ate them all.
Weathering and erosion destroyed all fossils.
The Earth was experiencing an ice age and no life existed.
The Earth was too hot and volatile for life to exist.
5
Which type of fossils are found as a thick coating found on rocks.
moles
carbon films
trace fossils
molds
6
What is 75K in Celsius?
198
-198
298
345
7
During which period did humans appear on Earth?
Quaternary eon
Quaternary period
Quaternary era
Quaternary epoch
8
Which type of fossil forms when a mold fills with sediment or mineral deposits?
cast
mold
carbon film
mineral replacement
9
One advantage of fossil fuels is that ______.
they are a limited supply
they are inexhaustible
they are not harmful to the environment
they are inexpensive to extract and utilize
10
During which era did this mammal walk the Earth
Cambrian era
Cenozoic era
Precambrian era
Paleozoic era
11
Why did scientist develop the geologic time scale?
to represent the evolutionary history of Earth
to confuse students
to represent distance and characteristics of Earth's layers
to represent the scale between the Earth, sun and moon
12
This device is used to _______.
scare crows away from corn and other crops.
create nonrenewable energy
create renewable energy
control airplane landings
13
What is 100^oC in Kelvins?
320 K
-373 K
373 K
100 K
14
What is the current epoch?
Cenozoic
Quaternary
Phanerozoic
Holocene
15
During which period did trilobites appear?
Hadean period
Paleozoic period
Devonian period
Cambrian period
16
Which is not a type of fossil fuel?
oil
natural gas
coal
uranium
17
Which unit of time is known as the Age of the Fishes?
Cambrian period
Phanerozoic period
Devonian period
Jurassic period
18
________ are the preserved remains of plants and animals whose bodies were buried in sediments.
Mummies
Carbon minerals
Fossils
Rocks
19
Rock strata is another name for rock _______.
pieces
position
hardness
layers
20
What is the correct order of the units of time
eons, epochs, periods, eras
eons, periods, eras, epochs
epochs, periods, eras, eons
eons, eras, periods, epochs

Ch.10 Fossils Flashcards | StudBud