There is still room for doubt because they can never be too sure whether there is evidence for life found in the graphite!
Pick a topic.
Research.
Hypothesis.
Experiment.
Construct an exhibit for results.
Write a report.
Practice presenting.
Pick something you are interested in, something you'd like to think about and know more about
Then do some background research on the topic.
Decide whether you can state a hypothesis related to the topic (that is, a cause and effect statement that you can test), and follow the strict method listed above, or whether you will just observe something.
Design and carry out your research, keeping careful records of everything you do or see and your results or observations.
Construct an exhibit or display to show and explain to others what you hoped to test.
Write a short report that also states the same things as the exhibit or display, and also gives the sources of your background research.
Practice describing your project and results, so you will be ready for visitors to your exhibit at the science fair.
Hope this Helps! May I Have Brainliest? <3
The correct answer is option ''The stethoscope was invented because the physician did not want to put his head on women's chests to listen to their heart and lungs''.
In this case, the problem was that the physician's had a problem in listening the heart beats and the lung sound of the woman. To overcome this problem, the stethoscope was invented to listen the heart beat and the lung sound from distance, without keeping head on women's chest.
Answer: Both Meiosis I and II have the same number and arrangement of phases: prophase, metaphase, anaphase, and telophase. Both produce two daughter cells from each parent cell. However, Meiosis I begins with one diploid parent cell and ends with two haploid daughter cells, halving the number of chromosomes in each cell.
Explanation:
Answer:
C
Explanation:
When plant cells take in water, the vacuole swells. A swollen vacuole indicates the plant cell has all the water it needs. This suggests that the plant is taking in water and is maintaining optimum conditions. This is an example of homeostasis.
If the cells burst apart, as in A and E, this would suggest the cell is not properly maintaining homeostasis, as the cell bursting suggests something has gone badly wrong. This suggests the cell has taken in too much water; the cell has not been able to maintain homeostasis and regulate water uptake to prevent this from happening.
In the reverse case, where the cells shrink apart (as in B), the cell would also not be properly maintaining homeostasis by failing to bring enough water into the cell to maintain a turgid state. This is also damaging for the cells.
Finally, D and E can also not be correct, because water can cross the cell membrane, and does not need to be pumped in or sent out by endocytosis.
