Can someone help me. Write 4 paragraphs

What part of the cell does 9 represent? a. cytoplasm b. lysosome c. ribosome d. centrosome

What is the volume of a book that has a width of 10 cm a length that is 2 times the width and a height that is half they would remember to express your answer in keeping units

Write a paragraph explaining how energy flows through an ecosystem using the following terms: energy pyramid, trophic level, producer, primary consumer, decomposer, sun, secondary consumer, and tertiary consumer. .