<span>Four laws or principles are involved with the study of stratigraphy. They are </span><span>law of original horizontality, </span><span>law of superposition, law of original lateral continuity, and </span>law of cross-cutting relationships
A Swim Bladder is not present in cartilaginous fishes. Also called a fish maw or gas bladder the swim bladder is a gas-filled bladder that allows many bony fish to control their buoyancy by filling or releasing gas form the bladder. This allows them to change bouyancy without wasting metabolic energy by swimming.
I think it is 24 because it just is
<span>As blood moves away from the heart toward the tissues, the relative size of blood vessels decreases, the blood pressure drops, and the velocity of blood flow slows.
The size of the arteries progressively decreases as they branch out from the major arteries of the body. Once the arteries are the size of the arterioles, the resistance to blood flow increases and velocity of blood flow slows then blood pressure drops.
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Sun grows plants which feed animals or feeds the animals prey