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At dynamic equilibrium in a closed system (for example, in the Haber process to make ammonia), both the forward and backward reactions continue to occur. However, both reactions happen at the same rate...

A quadratic expression is of the form ax^​2+bx+c. It is often useful to know what values of x will make the expression equal to 0; these are known as the roots of the equation. An easy way of...

The best long-term advice I can give is that you have got to practice speaking the language as much as possible. Try to organise weekly sessions with teachers/language assistants/online tutors to get used...

The chloroplast has a cell membrane like most cells/organelles. They are long and oval shaped with a similar shape/size to bacteria. Inside the organelle, the grana stack up like disks on top of one anoth...