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
inessss [21]
3 years ago
10

What method would be best for scientists to use to determine the absolute age of a Precambrian igneous rock

Biology
1 answer:
GaryK [48]3 years ago
4 0
One method I know of is comparing a sample of the rock to other samples which the scientist already knows the age of. I forgot what this method is called but I know it's used by lazy scientists that use other scientist findings like the age of a rock to compare to their own work
You might be interested in
Renewable energy sources account for the majority of energy production.<br><br> t<br> f
Morgarella [4.7K]

That is false. Non-renewable energy sources are the major sources of energy production.

5 0
3 years ago
Read 2 more answers
PLS HELP ME PLS PLS PLS
LiRa [457]

Survival of the fittest. If one organism thrives better in an enviornment and the other organism struggles, the one that is more adapted will obviously play a part in helping the less adapted organism die out. Food is a major point along with other aspects

5 0
2 years ago
A patient 14 weeks pregnant is coming back to her obstetrician’s office for a repeat transabdominal ultrasound to measure fetal
Alekssandra [29.7K]
The CPT code that should be reported by the obsterician is 76816.
CPT codes used for obstetrician ultrasound ranges from 76801 to 76821. The description of the codes is based on the procedures that are carried out.
CPT code 76816 is used to bill a follow up study. The medical examination perform in this case include: re-assessing the size and the interval growth of the fetus and examination of abnormality previously observed on previous scan. <span />
7 0
3 years ago
1. Over time, the fish and crab populations have:
Marta_Voda [28]

1-D

2-A

this is due to pollution

5 0
3 years ago
Read 2 more answers
Many researchers think that the first eukaryotic cells obtained energy for life-sustaining functions from organic compounds. Giv
astra-53 [7]

Answer: Chloroplast

Explanation:

The presence of chloroplast would have been the last organelle which appeared in the eukaryotic cell. Chloroplast helps in photosynthesis which means prepare food from the inorganic compounds.

But here the cell obtains energy from the organic compounds which states that there is no need of chloroplast in the cell as they obtain energy by hetero tropic mode of nutrition.

Hence, chloroplast is the correct answer.

5 0
3 years ago
Other questions:
  • All of the following are functi?
    7·2 answers
  • Tina is a climate scientist. She wants to investigate weather patterns from further back than the last 150 years. What sources c
    15·2 answers
  • Lamarck wrote an important book talking about
    7·1 answer
  • Fill in the blank:
    15·2 answers
  • 2. A cow is ...
    13·2 answers
  • What is always forbidden in the lab
    13·2 answers
  • What kinds of surface features are found on mercury? (select all that apply.)?
    15·1 answer
  • Which cell type is produced by mitosis?
    10·1 answer
  • Which one of the following statements is true?
    14·1 answer
  • Plants' leaves absorb energy from __________, which often comes from the Sun. What word completes the sentence?
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!