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
blondinia [14]
3 years ago
6

Evaluate the age of rocks. You find 3 undisturbed rock layers. The middle layer is 120 years old. What can you say about the age

s of the layers above and below it?
Biology
2 answers:
frutty [35]3 years ago
7 0
The lowest layers of rocks would be the oldest. The lower you go the older the layers of rocks go. As you go up the rocks get younger.
Katena32 [7]3 years ago
6 0
The layers above would be not as old and the layers below would be the older layers.
You might be interested in
In a forest ecosystem,clover is eaten by deer, which are eaten by wolves. If the population of clover suddenly decreased what wo
Setler [38]
<span>The population of scavengers would increase. </span>
4 0
3 years ago
Read 2 more answers
Why is a cap added to mRNA, but not to tRNA or rRNA? Transfer RNA and rRNA exhibit complex structures with double stranded regio
DaniilM [7]

Answer:

The 5' cap is added to the mRNA as a means of protection from being degraded by enzymes in the cellular environment. Additionally. it helps with binding to the ribosome and subsequently translating it into a protein.

Explanation:

Moreover, it's only Polymerase II that has the ability to add the 5' cap and rRNA & tRNA are not transcribed by Polymerase II, only the mRNA is.

rRNA and tRNA have stable 3-Dimensional structures that protects it from being degraded by enzymes.

Hope that answers the question, have a great day!

5 0
3 years ago
Explain how scientists know what stars are made of.​
natita [175]

Answer:

Scientists are perhaps some of the smart few that make up the human population and are never short on knowledge. They research and discover and conduct tests to gain more knowledge, but the answer to your question is stars are huge celestial bodies made mostly of hydrogen and helium that produce light and heat from the churning nuclear forges inside their cores, and scientist know this because of their research.

Explanation:

7 0
3 years ago
The role of pigments in the photosynthesis reaction is to
pashok25 [27]

Answer:

Option A, Start the reaction by absorbing light energy

Explanation:

Chlorophyll is a green color pigment in plant that helps in entrapping sunlight. Being green in color, it absorbs the blue and red light and reflects the green light. The molecules of chlorophyll gains energy from sunlight and then jumps to higher energy levels by the process known as photo excitation. These excited molecules get ionized to further initiate the process of photosynthesis.

Hence, option A is correct.

4 0
3 years ago
Read 2 more answers
Which method of heat transfer can occur in empty space?.
nordsb [41]
Heat radiation.

This is the form of heat transfer that doesn’t need a medium to transfer through.

That’s how heat from the sun gets to earth, even though empty space is very cold.
3 0
3 years ago
Read 2 more answers
Other questions:
  • Which of the following statements is false? Two or more atoms combine chemically to form a molecule. Two or more different subst
    14·1 answer
  • Why are atoms neutral despite having charged particles?
    12·1 answer
  • Which of the following is a way that carbon enters the atmosphere?
    5·1 answer
  • Describe how gene flow can increase genetic variation within two neighboring populations
    13·1 answer
  • A moth learns to visit nectar-filled white flowers, and the good food source allows it to lay more eggs and have more surviving
    13·1 answer
  • Which process involves wind moving loose sediment?
    9·2 answers
  • Explain how the gradient, load, and discharge of a stream will affect erosion. Use details to support your answer PLS HELP
    15·1 answer
  • By substitution, justify that x= − 6 is a solution to x − 2 = − x − 14
    9·1 answer
  • How can you determine if a bacterium is being killed by an antibiotic or if its growth is simply being inhibited
    5·1 answer
  • The body mass index (bmi) of an adopted child will be ________ related to the bmi of the adoptive parents and ________ related t
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!