What is it called when scientists explore the world around them?

Scientific method

Explanation:

A scientific method is a process which is used by the researchers or scientists so as to explore or study the world around them. It can be used to check whether a scientific statement or hypothesis is correct. The scientific method can be used to answer the questions related to the occurrence and cause of natural processes. It involves studying the background of the topic of research, observing the nature, making hypothesis based on the observation, testing and defining the hypothesis using experimental methodology, drawing conclusion and result on the basis of the data obtain after the experimental process, the acceptance or rejection of the hypothesis on the basis of the results.

explanation:

b,bacteria convert nitrates

into nitrogen gas.

d,plants and animals take in

and use nitrogen compounds.

e,bacteria break down waste    

products and return nitrogen  

to the soil.

a,bacteria convert atmospheric

nitrogen to ammonia.

c,bacteria convert ammonia

to nitrites and nitrates.

ur answer is e & d

explanation: