All of the following are possible sources of error in a scientific investigation except for a- not being able to complete all trials of an experiment
b- having a constant in your experiment
c- measuring material such as mass and volume incorrectly
d- recording experimental data incorrectly

Will mark you as ! keiko’s teacher was discussing the theory of endosymbiosis. she asked keiko to mark the organelles in the diagram that most closely resembled prokaryotes. which organelles should keiko mark? * the first image is the question and the second image is some information to you answer the !