Answer: The microbes only grew in the bottles containing earth-like air.
Explanation:
The growth of microbe depends upon the availability of substrate, moisture, and gas. The atmosphere is a mixture of gases. Earth-like atmosphere favors the survival of many micro-organisms. Carbon dioxide, oxygen, methane, nitrogen, and others are valuable earth like gases that will favor the survival of many microorganisms. So, according to the given situation in the experiment microbes will grow in earth like air.
Answer:
Its safer to wear mask all the time and wash your hands
The answer would be extra utility.
