Answer:
Oil
Explanation:
Since, unlike oil, source like wind, solar, water etc. come naturally we don't and can't replace them but when the viscosity in oil has been used up it must be change to allow the proper functioning of the machine.
Answer:
C: Yes, it is made up of more than one element with a new set of properties.
Explanation:
Carbon dioxide is a compound because it is made up of one carbon atom and two oxygen atoms.(How it is formed: two oxygen atoms are covalently(type of chemical bond) bonded to the single carbon atom)
Hope this helps, and have a nice day!!!
In biochemistry, two biopolymers are antiparallel if<span> they run </span>parallel<span> to each other but with opposite alignments. An example is the two complementary strands of a </span>DNA<span>double helix, which run in opposite directions alongside each other.</span>
