<span>https://www.nature.com/scitable/topicpage/inheritance-of-traits-by-offspring-follows-predictable-652...
I think you can use this website to help you. :)</span>
Scientific inference
<span>¯\_(ツ)_/¯</span>
<span>1. c) Exposure would weaken the body’s immune system and leave it unable to fight future infections.
</span>2. <span>c) Excess amounts are removed by the kidneys and excreted along with urine.</span>
Natural selection is the process in which the more favorable traits due to mutation that are in a select few in a population produce more offspring then others. An example of this is bacteria resistant to antibiotics due to the faster reproduction of the resistant bacteria over the non resistant ones