The answer is B :),this sentence has to be longer LOL
I'm tied between A) and D). I say D). Hope this helps!
Aye Sir!!
The miThe migration of birds.
Carbon dioxide is added to the atmosphere naturally when organisms respire or decompose (decay), carbonate rocks are weathered, forest fires occur, and volcanoes erupt. Carbon dioxide is also added to the atmosphere through human activities, such as the burning of fossil fuels and forests and the production of cement
Answer: A scarcity of lemmings will cause for the population of snowy owls to decrease, as their resources have been limited.