Answer: I would say D)
Explanation:Phytoplankton are the autotrophic components of the plankton community and a key part of oceans, seas and freshwater basin ecosystems. This is the least ddt and is concentrated.
Answer:
b
Explanation:
the worm is living while the leaf is not
Answer:
Control group remains unchanged.
Explanation:
For example if you are trying to see if watering plants with Pepsi is better.
Your experiment plant would get watered with Pepsi.
Your control plant would get watered with water. (Control groups serve as a reference to compare in the experiment)
I think it's D) atmospheric carbon dioxide.
You would have multiple isomers:
C=c-c=c-c
C=c=c-c-c
C-c=c=c-c
