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

Author Question: Intense UV light from the sun is lethal to living things. Currently, some 99% of all incoming UV is ... (Read 97 times)

karen

  • Hero Member
  • *****
  • Posts: 537
Intense UV light from the sun is lethal to living things. Currently, some 99% of all incoming UV is blocked by the ozone layer which didn't develop until well after the first life-forms. How might the very earliest organisms have avoided the intense UV rays?
◦ Stayed below ground
◦ Had scales
◦ Only came out at night
◦ Stayed underwater


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by karen on Jan 16, 2020

amandanbreshears

  • Sr. Member
  • ****
  • Posts: 320
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 56% of students answer this correctly




karen

  • Member
  • Posts: 537
Reply 2 on: Jan 16, 2020
:D TYSM


epscape

  • Member
  • Posts: 335
Reply 3 on: Yesterday
Excellent

 

Did you know?

Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.

Did you know?

Medication errors are more common among seriously ill patients than with those with minor conditions.

Did you know?

Astigmatism is the most common vision problem. It may accompany nearsightedness or farsightedness. It is usually caused by an irregularly shaped cornea, but sometimes it is the result of an irregularly shaped lens. Either type can be corrected by eyeglasses, contact lenses, or refractive surgery.

Did you know?

Drugs are in development that may cure asthma and hay fever once and for all. They target leukotrienes, which are known to cause tightening of the air passages in the lungs and increase mucus productions in nasal passages.

Did you know?

Fewer than 10% of babies are born on their exact due dates, 50% are born within 1 week of the due date, and 90% are born within 2 weeks of the date.

For a complete list of videos, visit our video library