A box puts a pressure of 50 N/m2 on an area of 0.25 m2. Find the force of the box on the floor.

Which features are shown in the image? check all that apply. folds o anticlines o synclines o normal faults ostrike-slip faults

Bohr's model could only explain the spectra of which type of atoms? single atoms with one electron single atoms with more than one electron bonded atoms with one electron bonded atoms with more than one electron

What forms when chemical reactions combine pollution with sunlight?