Air has no weight when it is free to move from one place to another, but it contains weight when it is filled inside any container because the air inside a container compresses by the walls of balloons, which gives weight to the air inside the balloon
Answer:
26 or 13 im not sure it could be either one
Explanation:
Alfred Wegner intitally theorized that the continents may have been joined at once, because their landforms were similar and almost fit as puzzle pieces. As well as finding the same fossils.
Urethral orifice or the urinary aperture is the location where the urine is being excreted from the body of an organism. In the case of rats, if its a male rat, the urine is excreted through the urogenital opening- which means that such orifice serves as an opening for both sperm and urine, alternately. For the female rat, just like humans, it is a singular opening
