Yes, because even though other trees produce more oxygen, the small trees will still produce some oxygen. On top of this there are more small trees than big trees, so even though they make less oxygen, in whole they end up making more when added together!
I think the correct answer would be diarrhea. It is often a result of consumption of contaminated food and drinks. And each year, it was estimated that approximately 2 million children died due to this. It is a condition where bowel movements are frequent and is in liquid form which would lead to dehydration.
I think it might be metaphase because all of the chromosomes are lined up in the middle :) either that or anaphase!
that will be temperature cause the mass will either have to increase or decrease
I think you forgot to give the options related to the question. So it becomes a bit hard to answer the question perfectly, still i would do my best and hope that it comes to your help. Prior to the ideas presented by Charles Darwin concerning evolution, several alternating theories had been developed and they included all but the DNA differences within a species lead to some individuals being better able to survive. This theory was developed after Darwin came up with his theory..