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Before an ozone layer formed to reduce radiation, life existed a. in the air. c. in oceans and underground. b. in trees and plants. d. on land.
Before an ozone layer formed to reduce radiation, life existed in oceans and underground.
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Asked 11/21/2014 10:52:20 AM
Updated 5/31/2016 10:52:26 AM
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Before an ozone layer formed to reduce radiation, life existed in oceans and underground.
Added 5/31/2016 10:52:26 AM
This answer has been confirmed as correct and helpful.
Confirmed by Andrew. [5/31/2016 10:07:55 PM]
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Before an ozone layer formed to reduce radiation, life existed a. in the air. c. in oceans and underground. b. in trees and plants. d. on land.
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Updated 5/16/2016 6:27:56 AM
1 Answer/Comment
Before an ozone layer formed to reduce radiation, life existed in oceans and underground.
Added 5/16/2016 6:27:56 AM
This answer has been confirmed as correct and helpful.
Confirmed by Janet17 [5/16/2016 6:31:53 AM]
Which of the following is not a type of tissue of the human body? A. bone B. muscle C. connective D. epithelial
Weegy: Bone is not a type of tissue of the human body. User: Which of the following is the BEST method to estimate a 1-oz. serving size of nuts? A. one bowlful B. one handful C. one rounded handful D. one thumb's worth Weegy: One handful is the BEST method to estimate a 1-oz. serving size of nuts. User: Vitamins A, vitamin C, calcium, and __________ are required to appear on nutritional labels. A. iron B. zinc C. potassium D. phosphorus Weegy: Vitamins A, vitamin C, calcium, and iron are required to appear on nutritional labels. User: The food guide pyramid recommends __________ of grains a day. A. 16 portions B. 6 cups C. 6 ounces D. 16 servings (More)
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Updated 11/21/2016 12:55:16 PM
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The food guide pyramid recommends 6 ounces of grains a day.
Added 11/21/2016 12:15:11 PM
This answer has been confirmed as correct and helpful.
Confirmed by jeifunk [11/21/2016 12:55:17 PM]
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