Answer:
pollution there are many kind of pollution..... water pollution is when people dumb and trash into the ocean and air pollution is when factories pump coal and other substance to make light but also cause harmful gas into the atmosphere.
Explanation:
Answer:
A
Explanation:
bcuz the water in it is little
O2 is the limiting reactant
You should always do A. form a hypothesis before performing an experiment also the other options cannot happen until after an experiment.