In an experiment, james studied the relationship between kinetic energy, mass, and velocity. four masses were rolled across a smooth surface. if the kinetic energy in joules remains constant, and the masses change, predict the velocity of the ball with a mass of 40kg

Name the following: (a) category of pathogen that causes diseases, like common cold and mumps. (b) the microorganism that requires a host to produce.

Kelly ran electricity though a sample of water using electrolysis. the water changed into two gases, x and y. it was not possible to break down the gases x and y into simpler particles.

During the day, plants produce by splitting water molecules in the light-dependent reactions of photosynthesis. at the same time, plants use cellular respiration to produce some of the needed by the light-independent reactions to make sugars. during the night, plants produce because takes place.