Explanation:
The circulatory and respiratory systems work together to circulate blood and oxygen throughout the body. Air moves in and out of the lungs through the trachea, bronchi, and bronchioles. Blood moves in and out of the lungs through the pulmonary arteries and veins that connect to the heart.
Answer:
D shrub clippings
Explanation:
this is because they don't decompose like the other choice and are not rich in nutrients
what are the options though....
A pancreatic cell engaged in the production of digestive enzymes
should be the answer ur looking for
Increased in pitch (frequency). It's the doppler effect.
Answer:
The answer is C
Explanation:
They both have the lowest and highest temperatures, plus the tundra is also known as the "frozen desert".