It is a.combination that is the correct answer i think
Explanation:
Since pressure remained constant, we can eliminate P from the equation

Doing some algebra and converting temperature to Kevin by adding 273, you should obtain the same result.
Answer:
This means that waves need a medium to propagate, but light waves propagate where no particles are present. ...
Answer:
The population of birds would Decrease
Explanation:
A birds main source of food include: Insects, worms, and grubs. Seeds, grasses, and plant material. Nectar and pollen
It also depends on what bird it is but with any species if there main source of food decrease then they decrease or move out of the area.
Hope this helps