In a hostel, 30 students have food enough for 40 days. How many students should leave the hostel so that the food is enough for 100 days ? STEP BY STEP SOLUTION NEEDED

Which best describes an adaptation that could be found in a fish that lives in a slow-flowing stream? the ability to attract prey by glowingextra gills, for oxygen extractionthe ability to grow largerextra fat, for warmth

How did the discovery of the rhesus factor affect society? o more patients died from having a transfusion with the wrong rhesus factor 0 new treatments during pregnancy could prevent harm to the developing child. o less donated blood could be used in the treatment of patients. the number of blood types was reduced by half

What is the difference between how ionic and covalent bonds form