Two objects having equal masses and velocities collide with each other and come to a rest. What type of a collision is this and why?.

Explain how you might determine the rate of weathering on a sample rock

Anna’s mother prepares sauerkraut, a fermented dish made from finely cut cabbage and salt. lactobacillus bacteria present on the surface of the cabbage combine with salt to turn the cabbage into a crunchy, sour dish. what chemical process occurs to create this dish? a. alcoholic fermentation b. cellular respiration c. conservation d. lactic acid fermentation e. photosynthesis

How do we determine if they are made with matter