Which of the following reasons explains why electrical cords are plastic coatings with metal wires on the inside? A.Both plastic
and metal have high electrical conductivity. B.Both plastic and metal have low electrical conductivity. C.Plastic has high electrical conductivity, and metal has low electrical conductivity. D.Plastic has low electrical conductivity, and metal has high electrical conductivity
The answer is D because, and because of the fact that plastic has low electrical conductivity, makes the electrical cord safe to handle when in use. It's like a barrier between whatever the cord is touching, and the wires inside.
Since it says all carbon atoms have six electrons, we know that they only have six protons too. The carbon 13 and 14 means they have extra neutrons that increases their atomic mass.
-DNA is the blueprint for proteins, which play many roles in the body. PROTEINS play many roles in the body and determine many traits. The section of DNA that codes for a specific trait is called a GENE. In fruit flies, straight wings are dominant and curly wings are recessive.
Elephants, who are important grazers, are instrumental in transforming woodlands into grasslands. This has a tremendous impact on other species that depend on the grass for their survival. The significance of the elephant in this example is B. keystone species.
