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
Blababa [14]
4 years ago
14

Some of the oldest rocks ever found have been estimated to be about 3.5 billion years old. Is it likely that these rocks were pr

esent when Earth was first formed?
A.
No, rock material is constantly recycled on Earth as rock is melted into magma.
B.
No, this rock is probably just a sedimentary rock that was formed by much younger igneous rocks.
C.
No, it is likely that any rocks older than a few hundred years are meteorites from outer space.
D.
Yes, most of the rocks on Earth can be dated back to the time when Earth was first formed.
Biology
1 answer:
morpeh [17]4 years ago
4 0

Answer:

i thin the answer are D

Explanation:

You might be interested in
Which type of fish are sharks?
MaRussiya [10]

Answer:

B. Cartilaginous fish

Explanation:

Sharks have a cartilaginous skeleton. Cartilage is less dense than bone which allows sharks to move quickly through the water without using too much energy.

8 0
2 years ago
Human organisms, like the female pictured here, are composed of a variety of organ systems. Regardless of the organ system, cert
Lemur [1.5K]

Answer:

cells,tissues,and organs

Explanation:

And by the way you did not show the picture of the female in the question

7 0
3 years ago
Read 2 more answers
What would happen to a prokaryotic cell if the nucleoid was not there
avanturin [10]
The cell would perish, or die

6 0
4 years ago
Earthquakes and faults form at __________ boundaries.
Len [333]

Answer:

transform

Explanation:

Most earthquakes occur at the boundaries where the plates meet. In fact, the locations of earthquakes and the kinds of ruptures they produce help scientists define the plate boundaries. There are three types of plate boundaries: spreading zones, transform faults, and subduction zones.

4 0
3 years ago
Need help!!!!!!!!!!!<br><br><br><br><br><br>​
Molodets [167]

Answer:

1. 15% 2. 85% 3. 70% 4. Yes because there is 15% more water outside the cell than inside 5. The water will move inside 6. Swell 7. I'm so sorry to say but I have no idea what type of cell it is. Best of luck!!!

Explanation:

8 0
3 years ago
Other questions:
  • Which of the following is considered a strength of the humanistic perspective?
    13·2 answers
  • What are the similarities between the immortal jellyfish and wolf
    7·1 answer
  • A young patient (aged 22 years old) has been prescribed Xanax for their generalized anxiety disorder. They turn to you and ask w
    8·1 answer
  • What are decomposes in the woods
    13·1 answer
  • Which THREE of the following are examples of feedback mechanisms which help maintain homeostasis?
    9·1 answer
  • Where does the energy go after it reaches the top predators?
    7·1 answer
  • The diagram is a representation of part of a plant cell. Identify the locations where proton concentration builds up during phot
    9·1 answer
  • Insulin is a hormone produced by some pancreatic cells. Scientists have isolated the DNA sequence that codes for human insulin p
    12·1 answer
  • A Low frequency will have a ___________wave length.
    8·2 answers
  • How does heredity relate to dna
    5·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!