Eukaryotes can’t have bacterial or archaea. This is because eukaryotes and bacterial are 2 different cells as bacteria are prokaryotes...
Oxygen.
Oxygen was fatal when organisms started using photosynthesis, this event was known as the Great Oxidation Event.
Answer:
The answer is type A
Explanation:My explanation is I dont know
Answer:
Hot stars, meaning those having surface temperatures in excess of 10,000 K (vs ∼5800 K for our sun), emit much or most of their radiation in the UV wavelength range below 300 nm, the limit for ground-based observations.
Of lower concentration and higher concentration