What type of pressure change indicates stormy weather?
O A. Low pressure
O B. Increasing pressure
O C. High pressure
O D. Decreasing pressure

Which object is most likely represented by a dot?

When using the scientist method, which step comes last?

Aprotein molecule in an electrophoresis gel has a negative charge. the exact charge depends on the ph of the solution, but 30 excess electrons is typical. what is the magnitude of the electric force on a protein with this charge in a 1600n/c electric field? write in two significant numbers, and also in newton