Phosphorus is very important for living things because living organism need phosphorus to
a. cycle energy
b. perform transpiration
c. form dna and rna
d. make carbohydrates

This is the process of making a prediction based on the results of prior observations of similar events.

Which of these is one of the nitrogenous bases in dna? a. proline b. leucine c. glycine d. thymine

The source of energy shown in the image is (renewable, non renewable, polluting) a drawback of building a dam is that (it will destroy ecosystems, it requires fossil fuels, it won’t be useful for irrigation)