<span>b.proteins and nucleic acids
Major chromosome components are DNA (nucleic acids) and histones (proteins)</span>
Answer: C
Explanation: It isn't impossible to pollute and it is a usable water source AKA wells
Kidney, ureter bladder and urethra
Answer:
Igneous rocks form when molten rock (magma or lava) cools and solidifies. Sedimentary rocks originate when particles settle out of water or air, or by precipitation of minerals from water. Crystallization, erosion, sedimentation, and metamorphism transform one rock type into another or change sediments into rock. The rock cycle describes the transformations of one type of rock to another. The process by which a rock changes form or mineral content as a result of environmental changes such as heat and pressure. a rock that was altered by metamorphism.
Our fingerprints are like our own dna that makes up our identity. Our fingerprints are like a serial code which can be scanned like the iPhone.