<u>substrate</u> fits into the <u>active site</u>, so the answer is C
<span> A creep meter uses a wire that stretches across a fault to measure horizontal movement of the ground, and a </span>laser-ranging device uses alaser<span> beam & reflector to detect Horizontal fault movements. I hope this is right.</span>
Nutrients move through the ecosystem<span> in biogeochemical </span>cycles<span>. A biogeochemical </span>cycle<span> is a circuit/pathway by which a </span>chemical<span> element moves through the biotic and the abiotic factors of an</span>ecosystem<span>. It is inclusive of the biotic factors, or living organisms, rocks, air, water, and </span>chemicals<span>.</span>
Grasshoppers have no ears, instead they use an organ called the tympanum located in the first segment of their abdomen, whereas humans take in sound waves through the ear canal until they reach the eardrum. The eardrum picks up the vibrations and then transmits them to tiny bones in the middle of the ear, the bones pass the vibrations to the inner ear (which is filled with liquid) and the cochlea.
Hope I could help.
Cartilaginous fish do not contain any bones - their skeleton is made up of cartilage.
