DNA and RNA (Deoxyribonucleic Acid Ribonucleic Acid)
There are three major forms of fossil fuels: coal<span>, </span>oil and natural gas<span>. All three were formed many hundreds of millions of years ago before the time of the dinosaurs – hence the name fossil fuels. The age they were formed is called the Carboniferous Period. It was part of the Paleozoic Era.</span>
This illustrates that the two animals (the horse and the lion) do not eat the same type of food. This could also show one way of classification between different animal species.
Answer:
DNA is made up of molecules called nucleotides. Each nucleotide contains a phosphate group, a sugar group and a nitrogen base. The four types of nitrogen bases are adenine (A), thymine (T), guanine (G) and cytosine (C). The order of these bases is what determines DNA's instructions, or genetic code
Explanation:
Because the common cold is cause by a ‘virus’.......
The answer is VIRUS