I think it’s b but idk i’m learning that in science as well
<span>The blood pressure measured in the calf is lower than it is in the arm. Blood pressure in the body is highest right at the ascending arch of the aorta. From that point, the pressure decreases as blood moves "distally" from the heart. Purely mechanically, legs are farther away from the heart than are the arms, thus pressure is less.</span>
Answer: They are both openings within the Earth but, Fumaroles release gases (carbon dioxide, sulfur dioxide, hydrogen chloride, and hydrogen sulfide) and steam, and Geysers release water and steam.
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An open system is a system that has external interactions. Such interactions can take the form of information, energy, or material transfers into or out of the system boundary, depending on the discipline which defines the concept
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