Helium is inert and odorless colorless
Answer:
My best recommendation is C.
Explanation:
I won't explain it because you should be able to figure it out using the process of elimination, but try C.
The Gram-positive bacteria have a thicker cell wall than the Gram-negative bacteria.
Yes, It seems that evolution has occurred in this area.
Explanation:
Evolution refers to a phenomena in which new traits or alleles that favor a better survival of organisms in a given environment, become fixed in the population.
Evolution is characterized by appearance of new characters and change in allele frequencies.
In the given situation we find that the frequency of the recessive allele in the population has changed over time and the percentage has become fixed.
So, we can say that evolution has occurred in the robin population
These substances can, however, be dissolved out in water, and the green coloring matter of the chloroplasts then becomes visible.
Hopes this helps.
