Why do multicellular organisms possess a large number of cells rather than having large sized cells?

Asap brainliest will be which sentence about protists is accurate? all protists are unicellular and microscopic in nature. they have organelles, so protists are eukaryotic in nature. all protists make their own energy through photosynthesis.

Explain the source of radioactivity in uranium in earth’s crust by which it produces nuclear radiation

Which of the following produces carbon dioxide? a. plants b. animals c. decomposers d. all of the above