It's the answer C.a measure or how developed a soil is.
population is from the ground\
Answer:
Griffith concluded that the R-strain bacteria must have taken up what he called a "transforming principle" from the heat-killed S bacteria, which allowed them to "transform" into smooth-coated bacteria and become virulent.
Explanation:
Answer:
The water which is released back to the lake contains thermal energy ie heat energy from cooled engines therefore bringing thermal pollution
