rlsavermalolle rlsavermalolle
  • 02-03-2017
  • Biology
contestada

One effect of air pollution is destruction of
a. the nitrogen cycle
b. photosynthesis
c. the ozone layer
d. chlorofluorocarbons

Respuesta :

amritpal
amritpal amritpal
  • 03-03-2017
The ozone layer is the answer!
Answer Link

Otras preguntas

what is the primary cause for the change in seasons
Factor completely 81x2 − 4. (6 points) (2x − 9)(2x − 9) (2x − 9)(2x + 9) (9x − 2)(9x − 2) (9x − 2)(9x + 2)
Which statement is correct? Sonography is often used during pregnancy; this is because it provides a way to evaluate the baby without any risk. MRI is an imagi
Which of the following sets could not be the lengths of the sides of a triangle? - {11, 14, 25} - {5, 6, 10} - {4, 4, 5} - {1, 2, 2} if more info than this is
Which could be considered biochemical evidence of an evolutionary relationship? a) absence of vestigial structures b) presence of embryonic gill slits c) simi
most solids ______. A) are dense and difficult to compress B) are able to flow C) are amorphous D) have a disorderly structure
Can someone help me?
An anthropologist examines the census data over the past 100 years to determine the growth of minority groups in the United States. A) field observation B) seco
In a fraction word problem, how do I know when I'm adding, subtracting, multiplying, or dividing?
simplify the expression : l-8l + l8l