Humans and other complex organisms have a hierarchical system of organization. which of the following statements is true regarding this system of organization?
a. atoms are made up of cells
b. organs are made up of organ systems
c. cells are made of tissues
d. organs are made of tissues

Which of the following ocean acidification? are the most likely side effects of a ph less than 7.0 in the ocean b. more metal salts altering the ocean chemistry c. dissolution of the shells of marine organisms d. both a & b e. all of the above.

Write the overall equation for the reaction for lithium battery

Which statement correctly identifies the scientific question and describes why the question is scientific? question 1 refers to the supernatural.question 2 reflects a moral or social value.question 3 refers to something that can be measured.question 4 reflects a question that can’t be observed.