Frederick wanted to findout what soil works best for growing roses. he greq them in potting soil, clay, sand, he found outside his yard. after one week, he measured their height and how many leavesthey had. what is the independent, dependent, control and constant?

An ecologist studied the same species of deer during the summer and the winter. she noticed that during the summer, when there was plenty of food, the deer were energetic and playful. however, during winter when food was scarce, the deer moved more slowly and did not run unless they needed to escape a predator. which scientific fact is best supported by her observations?

Which of the following is an eon in the time scale? phanerozoic proterozoic archean all of the above

What type of graph presents information about how often certain or traits occur?