Because all those energy sources are natural and will always be there, when ever there is a need for extra energy.
Answer: exotic
Explanation: exotic can be thought of as “not from here”
Answer:
Memory cells are specalised types Nerve Cells .
Answer:
TCTAAGCTTGGA
Explanation: adenine (A), thymine (T), cytosine (C) and guanine (G). Each base can only bond with one other, A with T and C with G.
Answer:
Viruses have to invade the body of a host organism in order to replicate their particles. Therefore, most viruses are pathogenic. The main difference between bacteria and virus is that bacteria are living cells, reproducing independently and viruses are nonliving particles, requiring a host cell for their replication.
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