an independent variable (IV) that you can change. • Typical IV's might be number of fins, length of rocket, type of material, mass of the rocket. • Choose one dependent variable (DV) and make three launches per DV for each IV for a total of. six launches..
Explanation:
B. Australia and Antarctica were a single landmass in the past.
Explanation:
The most likely explanation for why the fossils of this plant are found on these two continents is that Australia and Antarctica were a single landmass in the past.
This evidence is vastly supported by the theory of plate tectonics originally, the theory of continental drift.
- Plate tectonics proposes that all land masses were once joined together as a single supercontinent called Pangaea.
- The region of Antartica and Australia were once joined as a single continental mass.
- The plant must have developed together at that time.
- When the continents moved apart, they still had the fossils.
learn more:
Continental drift brainly.com/question/5002949
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False because light microscopes have low resolve and magnification.
When someone lifts a book from the ground, the work you use is positive. By lifting the book, you change it's energy and it's original place The book gains, kinectic energy.
Hope I helped.
Answer here
The displacement of the cars is somewhere near 0 miles since they virtually finish where they started. Yet the successful cars have covered a distance of 500 miles
