Answer:
a life event happens when some benefits are lost to gain other benefits
The muscular system allows the body to move while the skeletal system provides a structure and form to our body. Without the muscular system we could not move and without the skeletal system we would not take any form.
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1.Most aquatic animals have fins or paddles that help them swim
2. Skin is usually slippery and soft
B. Mitochondria
The process of cellular respiration is essentially when oxygen and carbon transfuse themselves together to create carb on dioxide, which in turns creates energy.
The entire process is formed in the powerhouse of the cell, or in other words, the mitochondria.
A part of this question that may have been confusing is the answer, "lungs". Since respiration is correlated to the lungs, you may have been confused. However, this is a process that occurs within your cells, so on a small scale than your entire body.
Mercury, due to it's low gravity it would not be able to hold a very strong atmosphere.
