Which fossil fuel releases the least amount of car dioxide into the air in a year a. gas b. coal c. oil d. nuclear energy

Which of the following is a main difference in cell structure between an onion cell and a human cheek cell? a. an onion cell contains one nucleus, whereas a human cheek cell contains two nuclei. b. an onion cell has a cell wall. c. a human cheek cell contains chloroplasts. d. there is no difference between an onion cell and a human cheek cell. you for your.

All organisms contribute some water to the water cycle by conducting

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