1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Elis [28]
3 years ago
13

She enjoys studying fossils. She learned how fossils called index fossils are found in the rock layers. The index fossils help s

cientists study rock ages. In what way do index fossils help determine rock ages?
A. Index fossils are widely distributed but were not around long, and so they show up in only a few rock layers.
B. Index fossils are widely distributed and were around for a long time, and so they show up in many rock layers.
C. Index fossils were around only a short time but they show up in many rock layers.
D. Index fossils are widely distributed and are always found in every sedimentary rock layer.
Biology
1 answer:
guapka [62]3 years ago
7 0
Answer: (B)

Explain:
You might be interested in
How to make a temporary magnet without electricity???
AnnyKZ [126]
You can rub a permanent magnet against something else that can be magnetized, like a paper clip.
4 0
3 years ago
Read 2 more answers
Which type of rock is most likely to form because of high heat and pressure?
zubka84 [21]

Answer:

Metamorphic rocks are caused by heat and pressure

5 0
3 years ago
Which of the following statements correctly explains a wave in the open ocean?
icang [17]
I'm pretty sure it's answer D. It's the only answer choice that really makes sense.

3 0
3 years ago
Read 2 more answers
What do monocots and dicots have in common and differences
nataly862011 [7]
A monocot<span> seed has an embryo with a single cotyledon, and a </span>dicot<span> seed has an embryo with two cotyledons. </span>Monocots<span> have stem vascular systems with their bundles scattered, and </span>dicots<span> have their stem vascular systems with their bundles in a ring.</span>
8 0
3 years ago
Guysss I need help !
yanalaym [24]

Answer:

im sorry but what is that

Explanation:

7 0
3 years ago
Other questions:
  • In the 1950s, 40 percent of the U.S. workforce was engaged in manufacturing. By the 2000s, fewer than ________ percent of U.S. w
    11·1 answer
  • How are mitosis and binary fission similar?
    15·2 answers
  • Question 13 please, proton proton chain reaction is?
    13·1 answer
  • What’s wrong with a gorilla if she won’t eat and interact with other gorillas in the zoo
    15·1 answer
  • What is heamoglobin​
    11·2 answers
  • What is a solvent?
    13·1 answer
  • What do earthworms exchange during mating
    5·1 answer
  • Why do scientist believe that mitochondria originated from ancient prokaryotes?​
    12·1 answer
  • How do coral reefs help with climate stability?
    9·1 answer
  • 26. Northern Harrier Hawks, also known as Marsh Hawks, get their name from their hunting
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!