Amulticellular, photosynthetic organism with complex, specialized cells and tissues would most likely be assigned to

The specific plant kingdom wherein it is mainly consisting of organisms having multiple cells and specialised tissues would be the Kingdom Plantae. In addition, this specific kingdom mainly comprises eukaryotes which mainly consists all the kinds and types of plants incorporating photosynthesis in Earth.

The speed of  sound:   sound travels  at different speeds depending on what it istraveling through. of the three mediums (gas, liquid, and solid)  sound waves travel the slowest through  gases, faster  through  liquids, and fastest  through  solids.

Ais your right answer