Over a million students use our free study notes to help them with their homework
Cohesion is the attraction of molecules of the same type.Water is cohesive because it is dipolar therefore the positive electrons from the 2 hydrogens are pulled towards the oxygen end making the oxygen e...
Solvents are substances that can dissolve other substances.Water can act as a solvent for ions (charged particles/molecules) because it is dipolar (the positive electrons from the 2x hydrogen are pulled t...
Fish gills are made up of thin plates called gill filaments, which are covered in structures called lamallae. Both the gill filaments and lamellae provide a...
Insulin is a hormone released by the pancreas and it helps to control blood glucose levels. In a healthy person, when you have something to eat, the glucose is absorbed and enters your blood stream. In or...
Water has many properties that make it an essential molecule within living things. One main property that water molecules have are hydrogen bonds. These are intermolecular forces that essentially allow wa...
←
110
111
112
113
114
→
Internet Safety
Payment Security
Cyber
Essentials