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:
expansion of the universe makes galaxies move farther apart
Explanation:
The universe becomes less dense as the universe expanses. Draw dots on a balloon and watch them as the balloon fills with air.
