The picture shows the electron transport chain that occurs in the thylakoid membrane of the chloroplast. which of these steps is shown in the picture?

What causes an unsaturated fatty acid to have a different shape than a saturated fatty acid? o a. unsaturated fatty acids have more hydrogen atoms. o b. unsaturated fatty acids have double carbon bonds. o c. unsaturated fatty acids have more nitrogen atoms. o d. unsaturated fatty acids have single carbon bonds.

How can scientists test their ideas about the origin of the universe if they can't physically interact with or study?

Which situation is an example of not doing work? lifting a couch throwing a baseball running up stairs carrying a box