Answer:D) all of the above
Explanation:these are all correct because they all affect our environment
Answer: A group that closet matches characteristics
Explanation:
A representative sample is a group that closely matches the characteristics of its population as a whole. In other words, the sample is a fairly accurate reflection of the population from which the sample is drawn.
Answer:
#1 goes with box - 4
#2 goes with box - 3
#3 goes with box - 6
#4 goes with box - 2
#5 goes with box - 1
#6 goes with box - 5
Well, i think it's not bacteria, its Hydrochloric Acid. For shakrs ITS REALLY STRONG, i hope this helps or answers your question! :) x