Chloroplast, sorry I'm a little late
I think the correct answer from the choices listed above is the last option. Factors that can increase mutation rates are the UV rays. Different types of radiation cause different types of genetic changes. Ultraviolet (UV<span>) </span>radiation<span> causes point </span>mutations<span>. Excess exposure can risk one's well being.</span>
Vaccines do not always prevent the spread of a virus. Vaccines help your body fight off viruses and protect your organs, among other things. Vaccines help protect you and others by killing the virus faster but do not necessarily prevent it from spreading. Staying at home and thoroughly cleaning your home is the only way to prevent a virus from spreading.
It is true that in South Africa (and also Namibia) it is still legal for big game hunters to shoot rhinos for trophies but this allowance is strictly limited to 5 rhinos per year for both countries and these are only for old, post-reproductive bulls. This small quota is most likely related to the fact that 3 out of 5 rhino species is on the critically endangered species list.
