Over a million students use our free study notes to help them with their homework
Like charges repel and different charges attract, i.e. charges feel an electromagnetic (EM) force. Electrons (fundamental particles that 'orbit' around the nuclei of atoms) carry a negati...
In order to solve these simultaneous equations we first want to eliminate one of the variables (x or y) and find a solution to the variable remaining (y or x) and then use this solution to find the second...
Worth four marksEnzymes are biological catalysts which are used in reactions. A reaction will typically involve an enzyme and a substrate. Enzymes a...
Classical conditioning refers to a type of learning in which a biologically reactive stimulus is paired with a stimulus which was previously neutral. The result of this process is learning a response to a...
Acidic buffer is solution which containing high concentration of weak acid and its conjugate base. Its pH would remain relatively constant when adding small amount of acid or base.i.e. CH3COOH...
←
2661
2662
2663
2664
2665
→
Internet Safety
Payment Security
Cyber
Essentials