Choose the ending that best completes the following sentence: if an object is traveling with a constant velocity… a. there are no forces on the object. b. there is no net force on the object. c. there are no forces parallel to the direction of motion. d. there are only forces parallel to the direction of motion

If a tank filled with water contains a block and the height of the water above point a within the block is 0.8 meter, what is the pressure at point a?

Explain what will happen if decomposers were apsent from a forest ecoysystem.

Which of the following is part of the explanation or description of electromagnetic waves? (select all that apply) a. electrically charged molecules in a medium transfer their energy to nearby electrically charged molecules. b. a changing electric field causes a changing magnetic field. c. magnetic molecules in a medium transfer their energy to nearby magnetic molecules. d. a changing magnetic field causes a changing electric field.