6. Emily made an experiment to test if different types of water would cause a plant to grow at the same rate. She set up three plants of the same size (each was in same type of pot and on same window) and watered each with
three different types of water, bottled water, sugar water, and salt water. Each plant was watered every other day
with 20 ml of water.
Which part of the experiment was the independent variable?

What is the difference between a scientific hypotheses and a scientific theory?

Which of the following statements is accurate about evolution? question 10 options: natural selection only eliminates odd individuals. evolution means that a population never has changes in its genetic frequencies. mutations are always harmful. evolution means that a population undergoes changes in its gene frequencies over time.

How do you think earths interior affects what is happening on the surface? 2. how do fossils support the continental drift hypothesis? 3. how does sea- floor spreading support the hypothesis of continental drift? 4.what do scientists observe when they studied the magnetic fields of rocks on the sides of mid-ocean ridges? 5. what is a tectonic plate ? 6. explain mantle convection 7.how can movements of the continents affect earths climate? 8. what occurs during drifting?