Answer:
A) Earth
or C) Mercury
sorry i wasn't that much help but i narrowed it down.
Insect's antennae is most similar to the <u>nose</u>
They are used for the sense of smell.
Because mostly some microorganism may be very small and harmful that can affect humans or animals just by the experience of the microorganism.
Answer:D) all of the above
Explanation:these are all correct because they all affect our environment
Viruses is the answer to this
