subject
Geography, 21.08.2019 11:30 eden43

What is the ozone layer?
a. thin layer in the lower atmosphere that protects earth from ultraviolet rays
b. thin layer in the upper atmosphere that protects earth from ultraviolet rays
c. thin layer in the upper atmosphere that protects earth from supersonic rays
d. thin layer in the lower atmosphere that protects earth from supersonic rays
what do all ecosystems have ?
a. biotic p21 only
b. abiotic p21 only
c. producers only
d. biotic and abiotic p21

ansver
Answers: 1

Another question on Geography

question
Geography, 22.06.2019 16:00
Mention any one function of transparency international?
Answers: 1
question
Geography, 23.06.2019 06:50
Look at the photo i can’t do geography
Answers: 3
question
Geography, 23.06.2019 18:30
What are two australian geographical features that hindered early exploration? western plateau gulf of carpentaria great barrier reef great dividing range
Answers: 2
question
Geography, 23.06.2019 19:20
Read the article titled "castro resigns." why did the us impose trade sanctions against cuba in 1962?
Answers: 2
You know the right answer?
What is the ozone layer?
a. thin layer in the lower atmosphere that protects earth from ultra...
Questions
question
History, 03.07.2019 01:00
question
Computers and Technology, 03.07.2019 01:00
Questions on the website: 13722367