All of the following are possible sources of error in a scientific investigation except for discovering new variables as the experiment proceeds. completing multiple trials during an experiment. using the wrong equipment during the experiment. not controlling all the variables in an experiment.

How can i use "as william walking with his wife was seen" as a short sentense

Ineed quick me on this one and others

How can we make the world a better place, specifically towards discriminated people (lgbtq+ community, people of color, people with disabilities etc.) how can we make them change their view on people they call "different"? how can we get people to love one another despite how they look or who they love or where they are from? 2-3 paragraphs ! (ᵔᴥᵔ)