For a comparative or experimental investigation, scientists often make a testable about a scientific question, and then they test it in the investigation.
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Which of these best describes what occurs during cytokinesis? a) the chromosomes are separated b) the cell begins to divide by replicating the chromosomes c) the cytoplasm is divided between the two new daughter cells d) the nucleus opens to allow the chromosomes to enter the cytoplasm

What is the average speed of a car that traveled 300.0 miles in 5.5 hours

When you run, you begin to breathe heavier and faster. your heart beats more quickly, bringing more oxygen to your cells. which organ systems are working together here?