Why did the porpicine?

What do you call a cell with no membrane? How long does it take for a plastic rope to decompose? What is an example of a controlled varialble? How many kilograms does a kitten weigh if they weigh 4 pounds? What type of reasoning uses the knowledge of science to make preditions about specific cases? What is a gwoon? What organelle in a plant cell uses sunlight carbon dioxide and water to make glucose? Does the US use the most geothermal energy? When heating a liquid sample in a test tube the mouth of the test tube should be? Which is greater 67 miles or 117920 yards? What are those career tests called? What type of energy do fossil fuels give of? What is the role of controls in the scientific process? The temperature gained and lost by two objects equals each other? How many centimeters are in a tenth of a meter? What was the goal of the scientific method devolped by bacon and descrates? What is the relationship between the problem statement and the research design? What is beyond the scope of science? How did the scientific method impact the work of scientists beginning in the 26th century? What are the proses in class 10 as per icse syllabus?