Answer:
Oxygen -02 Because it present oxygen
All you have to do is research more about this scientist´s theory. Just google: Why wasn´t Wegner´s hypothesis accepted?
Trust me, the answers are there.<span>
</span>Next time just research it.
Wegner´s idea seemed so ridiculous at the time that he was ridiculed by other scientists. The problem was that to his colleagues there seemed no plausible mechanism for how the continents could move through the oceans.
Explanation:
Factory wastes are usually acidic and they pose serious environmental challenges.
If an untreated acidic waste is discharged into the river, the acidity of the river increases and this is toxic to life in the water.
On land, the acid can enter into the soil and prevent plant growth.
Acid discharge can enter the groundwater system and render it unfit for use.
Bases and a couple of additives are used to remove acidity from factory wastes before they are discharged.
Learn more:
Neutralization brainly.com/question/4455839
#learnwithBrainly
hmm, i not sure i come back later with the answer.