What is the first step in the creation of a theory?
a. a scientist comes up with an explanation.
b. evidence is found to support an existing explanation.
c. nearly all scientists agree that an explanation is correct.
d. new evidence causes adjustments to an existing explanation.

Now it's your turn to investigate human impact around the world. grab your virtual lab coat and put on your environmental science hat. you will be taking a trip around the globe to explore three locations. at each location, you will investigate the cause and effect relationships of deforestation, desertification, and urbanization. you will also gather evidence of how these factors have impacted the environment over time

What in scientific term why the salty popcorn causes this thirst

Diabetes is often suspected when glucose shows up in urine tests. use the model to explain how glucose could be present in urine. why do you think this symptom is especially concerning for young people?