Answer:
competition
Explanation:
Competition is rivalry between individuals or groups over something that both sides want or need.
Answer:
Restriction enzymes, also called restriction endonucleases, recognize a specific sequence of nucleotides in double stranded DNA and cut the DNA at a specific location. They are indispensable to the isolation of genes and the construction of cloned DNA molecules.
Answer:
D is incorrect
Explanation:
Soil does have air in it, therefore making the statement false.
Germany and Japan are both developing maglve trains
The correct answer is - quartz.
The quartz is a light colored, transparent mineral, with hardness of seven, and is characteristic that instead of cleaves it has fractures. This mineral is composed of silicon and oxygen atoms, which make a tetrahedral structure. It is the second most abundant mineral in the Earth's crust, just after the feldspar.