why is it rare for the soft parts of an organism to become a fossil?

Question

a) the soft parts take a long time to decay
b) the soft parts can be eaten by animals*****
c) the soft parts cannot be buried in sediment
d) the soft parts form petrified fossils

which of the following terms refers to a solid copy of the shape of an organism?
a) mold*****
b) cast
c) carbon film
d) trace fossil

which of the following is an accurate definition of relative age?
a) a rock's age as compared to the ages of other rocks*****
b) the number of years since the rock formed
c) a rocks age based on how much carbon-14 it contains
d)the number of fossils a rock contains

geologists use radioactive dating for which of the following?
a) identifying the relative ages of rock layers
b) determining the absolute ages of rock*****
c) telling how radioactive a substance is
d) collecting evidence of fossils

which of the following units are in order from smallest to largest
a) epoch, period, era*****
b) era, epoch, period
c) period, era, epoch
d) epoch, era, period

earth's first atmosphere was composed of mainly which of the following gases?
a) hydrogen and helium*****
b) carbon dioxide and oxygen
c) nitrogen and oxygen
d) carbon monoxide and ozone

during the Cambrian explosion that began the Paleozoic era the many new forms of life that evolved
a) lived on land
b) were invertebrates that lived in the sea*****
c) were vertebrates covered with scales or fur.
d) were single celled

which of the following occurred during the Mesozoic era?
a) the rise of reptiles*****
b) the rise of plants
c) the rise of invertebrates
d) the rise of mammals

which of the following best describes the climates of Europe and north america during the 1.8 million years of the Quaternary period?
a) hot and dry
b) cool and rainy periods followed by drought
c) warm and mild
d) a series of ice ages followed by periods when the glaciers melted*****

which of the following statements about extinction is true?
a) extinction can only be caused by human induced activities
b) extinction can only be caused by natural activities
c) extinction can be caused by human induced activities or natural activities*****
d) scientists do not know what caused extinction

which of the following organisms is an extinct animal that lived during the ice age?
a) dodo bird
b) woolly mammoth*****
c) tyrannosaurus rex
d) saltwater crocodile

true/false

fossils allow scientists to predict which species will become extinct in the future
a) true*****
b) false

folding as well,as motion along faults , can change the position of rock layers and how they line up with other layers
a) true*****
b) false

during radioactive decay, atoms of a radioactive element break down and change into other atoms of another element all at once.
a) true
b) false*****

are my answers correct? thanks

Answer 1

okay, the first true or false is actually false, not true. second one is okay. not sure about the third one.

Answer 2

1)B
2)B
3)A
4)B
5)A
6)A
7)B
8)A
9)D
10)C
11)B
12)False
13)True
14)True
These are all 100%
I just did this

Answer 3

14. False

Answer 4

thnx

Answer 5

num 14 for me was false i got 13/14 from cca :p
thx for answers

Answer 6

#14 is "false"

Answer 7

i did the test
1)B
2)B
3)A
4)B
5)A
6)A
7)B
8)A
9)D
10)C
11)B
12)False
13)True
14)false