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
Mila [183]
3 years ago
14

How old are the oldest rocks of the ocean floor?

Biology
1 answer:
algol [13]3 years ago
4 0
Oceanic crust has been forming on Earth for over 4 billion years, all of the sea floor older than <span>about 200 million years. </span>
You might be interested in
Which two statements are true for the leading strand in DNA?
melomori [17]

Answer: The correct options are statement first and fourth that is -

It is synthesized toward the replication fork and it is synthesized in the 5′ to 3′ direction.

Leading strand in DNA is the strand of new DNA being synthesized in the same direction where the replication fork is moving. The movement of replication fork allows the access of template for the new DNA.

The DNA synthesis is continuous in the leading strand. It is synthesized in the 5' to 3' as DNA synthesis always takes place in this direction. This is because dNTP ( deoxyribonucleoside triphosphate) provides free 3' OH group where new dNTP can be added by the enzyme DNA polymerase.

7 0
3 years ago
Read 2 more answers
Describe two ways in which communication in the endocrine system and in the nervous system are different and one way in which th
Mkey [24]

The two ways the endocrine system and the nervous system are different in communication, is that the nervous system responds rapidly to short-term changes in the body by sending electrical impulses. And with the endocrine system, it takes longer, so it's a long-term effect until it notices any changes and when it does, it sends chemical messengers known as hormones into the body.

Now, how they are similar, is because both the nervous and endocrine systems work together to maintain homeostasis.

6 0
3 years ago
Which statements about plant and animal cells is true?
scZoUnD [109]
The answer should be A
4 0
3 years ago
Chemical reactions are the result of an atom attempting _____.
Furkat [3]

Answer:

D.

Explanation:

Well i watched a video on it XD.

8 0
4 years ago
How much cardiac tissue is required for rna extraction?
ValentinkaMS [17]
The amount of cardiac tissue varies
7 0
3 years ago
Other questions:
  • Why is it so difficult to breathe when snorkeling at a depth of 1?
    14·1 answer
  • Large tsunamis may be only centimeters high when travelling in deep water. Maintaining a reliable tsunami detection and warning
    5·1 answer
  • How does the plant get all of the reactants needed for photosynthesis?
    8·1 answer
  • What temperature resulted in the most active yeast?<br> A)<br> 4°C<br> 15°C<br> 22°C<br> 36°C
    7·2 answers
  • How are the structures of arteries, capillaries, and veins similar? How are they different?
    11·1 answer
  • An individual "step" by a myosin head in one cycle pulls the thin filament about 15 nmnm. How many steps must each actin fiber m
    8·1 answer
  • Which would most likely cause the liquid in Tube A to rise?
    9·1 answer
  • If 10,000 units of energy are available at level 1, how many energy units are available at level 4?
    7·2 answers
  • scientists estimate that only 1 percent of prokaryotes can be grown in the lab. what does this suggest about our knowledge of ba
    5·2 answers
  • How is the number of nuclei in telophase different from the number of nuclei present in the cell at the beginning of mitosis
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!