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
Natali [406]
3 years ago
7

A geologist is studying rock layers in a river delta. The layers are buried at a shallow depth beneath sediment that the river i

s depositing today. Just like the sediment on top, the sediment in the rock layers was deposited by the river.
How might the geologist estimate how long it took to deposit the sediment seen in the rock layers?
A. Use the layers' thickness and the current rate of deposition to calculate the time.

B. Time how long it takes to dig a trench as deep as the rock layers.

c. Construct a box as tall as the rock layers, and time how long it takes to fill it with a shovel.

D. The only way to estimate the time needed would be to sit for a few hours and watch new layers form.
Biology
2 answers:
lyudmila [28]3 years ago
7 0
I think it is A. C does not make sence to me. D is wrong because it takes years for these things to happen. Same for B. It would only take hours to dig a trench. I am going With A.
tangare [24]3 years ago
7 0

Answer:

a

Explanation:

You might be interested in
HELP ME OUT PLEASE!
natka813 [3]

omg... that's really hard and i don't know what the answer is.

Explanation:

by the way, thanks for points

5 0
2 years ago
What animal is called the ship of the desert
nasty-shy [4]

Answer: the camel

Explanation:

because of its adaptation to the desert

5 0
3 years ago
Read 2 more answers
Which of the following is not true of water?
zlopas [31]
<span>The one thing that is not true of water is that D. it is a poor solvent.
Water is known as the universal solvent. Water will dissolve more things than any other liquid in the world. Both the chemical and the physical attributes makes water the universal solvent. The molecules in water have a polar arrangement of the hydrogen and oxygen molecules. One of the sides, hydrogen, has a positive electrical charge while the oxygen side has a negative side. The answer is D.</span>
4 0
3 years ago
If Huntington's disease is due to a dominant trait, shouldn't three-fourths of the population have Huntington's while one-fourth
andre [41]
"<span>Appearance of a trait in a population does not solely depend on its dominant or recessive nature" is the correct choice among the choices that are given in the question. The correct option among all the options that are given in the question is the second option or option "B". I hope that the answer has helped you.</span>
3 0
3 years ago
4. in the diagram below strand 1 and 2 to represent the two complementary strand a portion of a DNA double helix. The sequence o
romanna [79]
Answer: d

Remember you always have to have the opposite letter (Chargaff’s rule). A=T G=C vice versa T=A C=G.
I hope this helps, I’m sorry if it’s a but confusing:)
5 0
3 years ago
Other questions:
  • What is the structural difference between a polyunsaturated fat and a saturated fat? A. There are double bonds present in the fa
    6·2 answers
  • Red/green color blindness in humans is caused by an X-linked recessive allele. If a male who is affected by the condition mates
    10·1 answer
  • What organelles are found in an animal cell
    10·1 answer
  • Speece and Brent concluded that most studies of children's understandings of death have found that most children understand the
    12·2 answers
  • What lobe is found in the area designated by label 1?<br>A) occipital<br>B) frontal
    8·2 answers
  • Who did find the cell?​
    13·2 answers
  • DNA carries the information needed to make proteins. How is this information used to make proteins? A. Ribosomes "read" the DNA
    10·1 answer
  • Starving children may die from eating many lychee fruit but children who have eaten during the day or not affected. Explain why.
    10·2 answers
  • Write an example of how a density-independent factor can decrease a population of cherry trees
    7·1 answer
  • A4 kg object possesses 18 J of kinetic energy. What is its velocity?
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!