Answer:
chronic obstructive pulmonary disease,Hypoxemia
Explanation:
Anything that will cause a loss in Oxygen will result in lower oxygen saturation. If you are deprived of Carbon monoxide then that can cause it to decrease .. if there is a decrease in hemoglobin that can be a cause too.
Conduction, idk if this is what you’re looking for but i hope this helps
Going
on the way
in motion
Answer: There were less flies stuck to the model of the zebra with stripes.
Answer: B. Fox nests
Explanation:
Foxes dig out dens to provide a safe underground space that is mostly used for raising fox cubs, also called kits. In urban areas, the dens - known as earths - are commonly located under sheds, but they can also be among tree roots, in bushes or on railway embankments.