Viruses are not always classified as living cells because they cannot live independently. They rely on a host to provide all resources to live, without a host they are in a dormant, near dead like state. Therefore it has to define a virus as dead or alive as it may or may not have a host.
I think it’s the first one - a , but I could be wrong
The fuel used in nuclear reactors is commonly uranium. Its unstable nature means that when it is hit with an electron it splits into two new atoms, one of which is Krypton. In the process of splitting large amounts of energy is released. This energy is used to heat water to produce steam, the steams rising energy is used to turn a turbine which produces the electric output of nuclear power stations.
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<h3>Maintaining a rich variety of genetic material that can lead to discoveries useful for humans can be ensured by preserving biodiversity. Explanation: Options for this question are: Preserving biodiversity .</h3>
<h2>Hope this is fine for you</h2>
