Which is a negative aspect of fossil fuels? O They take a long time to produce energy

O They are difficult to find

O They are difficult to transport.

O They cause pollution on Earth

What are the percent by mass of copper in penny lab

Astudent is trying to create a table that compares hypotheses, theories, and laws. hypothesis theory law do scientific researchers formulate it? yes yes yes does it explain why things happen? yes yes no yes yes yes is it used to make predictions? no yes yes which of the following questions would most likely fill the blank in the table? is it an intelligent guess? is it newly formulated? is it based on observations? has it been proved?

The three types is stress that act on earths rocks are compression, tension, and