Yes, malaria is spread through inspect bites or stings and can possibly be spread through unsanitary needles. Therefore, malaria is HIGHLY contagious and can be spread through even a SINGLE DROP of blood.
Your answer should be geosphere. Good luck!
My answer will be that the remaining ratio of alleles will be 16%, since this is the value that is required to have 100% of the alleles.
Pollution plays a huge factor. With factories in demand, more and more substances are being released into Earth's atmosphere, resulting in higher temperatures.