Biotic is a living thing and a abiotic is a non-living thing. Together they both help control the ecosystem
Answer:
because it's a sediment made up of very small
Explanation:
The answer is D. Patterns of background radiation
<span>What ensures that DNA molecule is replicated
exactly as its original strand is with the ability of the DNA to make way and
let the base pairs match with each base. This enables them to form the same
strands so that it is identical and not different with the original strand.</span>
<span>the earth is closer to the sun at January or in other words at its aphelion</span>