Waste products of plants are Carbon Dioxide & Water. But if it's a waste product of photosynthesis it's Oxygen.
So in all honesty it could be all of the above but if it's a single choice I'd go for B. Carbon Dioxide.
Conduction: I would explain why I think so, but I think the answer itself explains why well enough so that I don't exactly have anything to add
Answer:
Sound waves behave in predictable ways.
Sound waves are compression waves that transfer energy in molecules.
All sound requires a medium through which to travel.
Explanation:
I am pretty sure these are the right answers.
<span>
The ABO blood group classification is based on antigens on red blood cells and antibodies found in blood plasma.</span>Blood type A has antigen A on the red blood cells and anti - B antibodies in the blood.Blood type B has antigen B on the red blood cells and anti - A antibodies in the blood.Blood type AB has both antigen A and B on the red blood cells but has no anti-A nor anti - B antibodies in the blood<span>Blood type O has no antigen on the red blood cells and has both anti -A and anti B antibodies in the blood.</span>
Answer is B in my opinion
