This topic contains a solution. Click here to go to the answer

Author Question: Rayed craters like Tyco and Copernicus are known to be younger than the lunar maria because ________. (Read 162 times)

WWatsford

  • Hero Member
  • *****
  • Posts: 539
    • Biology Forums!

Question 1

We know the age of the lunar highlands from ________.
◦ dating of lunar maria basalts collected by Apollo astronauts, and then calculated back in time by relative chronology
◦ dating of Earth rocks, and correlating to lunar events
◦ dating of lunar rocks collected by Apollo missions
◦ age estimates from cratering rates

Question 2

Rayed craters like Tyco and Copernicus are known to be younger than the lunar maria because ________.
◦ they are formed on lunar highlands that are known to be younger than the maria
◦ their ejecta, seen as rays, lies across the surface of the maria
◦ they have been dated directly by radiometric dating of samples
◦ they contain volcanos in their centers which indicate the moon still had magma available when they formed


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by WWatsford on Feb 28, 2020

Athena23

  • Sr. Member
  • ****
  • Posts: 305
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
Answer Preview
Only 49% of students answer this correctly




WWatsford

  • Member
  • Posts: 539
Reply 2 on: Feb 28, 2020
:D TYSM


rleezy04

  • Member
  • Posts: 322
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

 

Did you know?

Bisphosphonates were first developed in the nineteenth century. They were first investigated for use in disorders of bone metabolism in the 1960s. They are now used clinically for the treatment of osteoporosis, Paget's disease, bone metastasis, multiple myeloma, and other conditions that feature bone fragility.

Did you know?

About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.

Did you know?

Since 1988, the CDC has reported a 99% reduction in bacterial meningitis caused by Haemophilus influenzae, due to the introduction of the vaccine against it.

Did you know?

More than 30% of American adults, and about 12% of children utilize health care approaches that were developed outside of conventional medicine.

Did you know?

The familiar sounds of your heart are made by the heart's valves as they open and close.

For a complete list of videos, visit our video library