Question

Fossils can give us clues about a particular environment's past climate and geography, but they cannot be used to delineate the relative ages of rocks.

True
False
26. On the geologic time scale, the adjectives "late" and "early" apply to

time of deposition
depth of the rocks
time of discovery
lifespan of fossil organisms

Answer 1

@.TH3_M0NST3R.

Answer 2

less confusing

Answer 3

v.v

Answer 4

i dont think i have ever been so happy to go to work early :D

Answer 5

joking joking i will help

Answer 6

Wow!

Answer 7

rocks and stratigraphy deleniate the age of fossile not the other way arround

Answer 8

forgive the spelling

Answer 9

next one

Answer 10

i need to finish this quick

Answer 11

I believe the second one is the last choice.

Answer 12

A species that no longer exists is said to have undergone

adaptation
speciation
extinction
radiation
29. Earth’s atmospheric ozone layer is one of the unique features that allows it to support life. What function does the ozone layer serve?

gives oxygen to living things
cycles carbon between plants and animals
blocks out harmful solar radiation
filters out excess carbon dioxide
30. How were divisions of time separated when scientists created the geologic time scale?

by the thickness of rock strata
by the color of rock strata
by the fossils found in rock strata
by the location of rock strata
31. If a radioactive nuclide has a half-life of 1.3 billion years and it is determined that a rock contains 25% of its original amount of this nuclide, about how old is the rock?

1.3 billion years
2.6 billion years
0.65 billion years
3.9 billion years
32. Biostratigraphy is an important absolute dating technique.

True
False
33. Which of the following parameters describes the rate at which a radioactive nuclide decays to a daughter product?

half-life
energy level
atomic number
isotope number
34. The process of speciation usually requires that

populations of the same organism are isolated for long periods of time
organisms within different populations reproduce with each other
environmental conditions stay the same over long periods of time
an environmental catastrophe takes place, such as when the dinosaurs became extinct

Answer 13

O-O wooooooooooooooooooooah

Answer 14

last questions

Answer 15

Slow your biscuits!

Answer 16

i wo't bether ya no more please help

Answer 17

Those things need time to cook!

Answer 18

One at a time, one at a time.

Answer 19

A species that no longer exists is said to have undergone

adaptation
speciation
extinction
radiation

Answer 20

You should know this one..

Answer 21

got that one

Answer 22

Earth’s atmospheric ozone layer is one of the unique features that allows it to support life. What function does the ozone layer serve?

gives oxygen to living things
cycles carbon between plants and animals
blocks out harmful solar radiation
filters out excess carbon dioxide

Answer 23

Solar radiationnnnnnnnnnnnnnn

Answer 24

How were divisions of time separated when scientists created the geologic time scale?

by the thickness of rock strata
by the color of rock strata
by the fossils found in rock strata
by the location of rock strata

Answer 25

No clueeeeeeeeeeeeeee

Answer 26

k

Answer 27

@PRAETORIAN.10

Answer 28

If a radioactive nuclide has a half-life of 1.3 billion years and it is determined that a rock contains 25% of its original amount of this nuclide, about how old is the rock?

1.3 billion years
2.6 billion years
0.65 billion years
3.9 billion years

Answer 29

Oh, and close this question before we get caught and suspended. :b

Answer 30

That's not what I meant. v.v

Answer 31

what confused