1.
B
Photosynthetic organisms require light, in which the sun’s rays can only go so far
2.
C
The energy flow pyramid goes from decomposers to producers, meaning that if producers are dying out due to lack of nutrients, there must be something wrong with the decomposer population
Answer:
x1000 the concentration of hydronium ions in a solution with pH 1 is 1000 times greater than one pH 4
Rob koch is the scientist who created tests that helped confirm those things
Just like the name suggests it's the second consumer in a food web or food chain that eats the primary consumers or the producers.
