Answer:
Multiple ecosystems get their energy in the form of sunlight, which make its way through the ecosystem through photosynthesis.
In my past learnings, Sample size is no. of units in a population that need to be studied. The number of units can include animals, persons, or any specific or specified circumstances. Hope this helped..!
Answer:
Thymus
Explanation:
T cells mature in the thymus
Answer:
The Galactic Center (or Galactic Centre) is the rotational center of the Milky Way galaxy; it is a supermassive black hole of 4.100 ± 0.034 million solar masses, which powers the compact radio source Sagittarius A*.
I believe it is Wegener's Theory of Continental Drift.
