What is the purpose of collecting data during an experiment?
a) scientists have stared purpose for collecting data
b) data serve as evidence that can support a conclusion
c) scientists must collect data before they can design the experiment
d) data are collected in order to make observations

Earths energy sources include both renewable and nonrenewable resources. name at least three sources of energy that could be used in your house. then describe the ideal energy source for generating most of your homes electricity, and explain why you chose that source. can someone give me some ideas, i’m kinda confused.