Answer:
well the otter needs O2 to breath and use the O2 to oxygenate his blood and etc. the CO2 is the dispelled gases and all used energy from the O2 and making the full Calvin cycle work? maybe idk
<span>B digestion begins outside the cells when you swallow food that food goes down your throat into your stomach and acids in your stomach break down our food thats where digeston begins
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Answer:
Water erosion can contribute to pollution.
Explanation:
Remember that pollution refers to the introduction of contaminants in natural environments causing negative changes in the ecosystem.
Water erosion is possible because of the sediments that carries and erode soil surface. Also, it can contribute to water contaminations because of the different types of sediments can carry, finally causing pollution.
Answer:
Image 1
Hope this helps, have a nice day/night! :D
B) Flu is easily transmitted from person to person.
If there is a very big population density, it means more people are present in a small amount of space. Thus they will come into contact more often and the virus is likelier to spread more rapidly.