The answers are
1. nitrogenous
2. acid-base
3. fluid
Answer:
2nd one
Explanation:
Regardless of latitude or time of year, the sun's angle reaches closest to 90 degrees (perpendicular lines are 90 degrees) -- and is therefore at its most intense -- at the midpoint of the day: noon.
I believe the last option is the correct one for the illustration of the single celled organism provides and the environment that it is found living in.
Answer:
This is allopatric speciation. The organisms were separated from each other by the containers. The separation caused them to evolve to the point that they were more likely to mate with each other than with a member of another tank.
Explanation:
A is the answer
hope it helps
