Answer:
if ur asking why here it is Scientists use observation to collect and record data, which enables them to construct and then test hypotheses and theories
C. nucleic acids (consisting of genes which encode for specific proteins to be synthetized)
Answer:
Nitrogen and Phosphorus
Explanation:
When the function of a whole ecosystem is limited because of a nutrient , which is present in limited amount, it is called as a limiting nutrient. The organisms uptake water and carbon directly from the environment as it is abundant in nature. The nutrients like nitrogen and phosphorous are present in limited amount and moreover they are not present in the form that can be directly taken up by the organism.
Thus, Nitrogen and Phosphorous are limiting nutrients.
