Answer:
c) Combustion of fossil fuels
Explanation:
Burning of fossil fuels is the main cause of increasing carbondioxide concentration in the environment which results in air pollution. This increase in carbondioxide concentration absorbed more heat energy from reflected solar radiation which increases the temperature of earth surface causes global warming. Due to this global warming, snow melting occurs on the poles of the earth which increases sea level.
<span>The lab equipment used to allow for the growth of microorganisms without the aid of oxygen are petri dishes. They are air-tight, short, round disk shaped dishes with a lid.</span>
<span>ecosystems , is your answer if I'm not wrong
</span>
