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

Classify each polygon by its number of sides. Drag the choices into the boxes to correctly classify each polygon.
Which marine ecosystem has the greatest biodiversity? a. coral reef b. mangrove swamp c. open ocean d. salt marsh?
amy buys 50 computers. she pays £160 for each computer. amy is going to sell some of the computers. she wants to get at least 35% more than she paid for all the
Roza Britezs later works included 1.religious figures 2.functinaional jewelry 3.jewelry 4.table settings
Factor the polynomial completely. 4x3 – 12x2 + 7x – 21 4x2(x – 3) + 7(x – 3) which is the completely factored polynomial?
What you give up to obtain an item is called your a. opportunity cost. b. direct cost. c. explicit cost. d. monetary cost?
What did europeans use as an excuse to plunder and attack the Native American tribes
For how many values of x: (4.9 cm < x < infinity) is it true that ex = 0?
Discuss the difference between generic and brand name drugs?
The two motor vehicle insurance laws in Florida are the Financial Responsibility Law and the____ A: safety law B: insurance law C: good driver law D: no- fault