Answer:
A buffer is simply a mixture of a weak acid and its conjugate base or a weak base and its conjugate acid. Buffers work by reacting with any added acid or base to control the pH.
Explanation:
Answer:
c) Xylem and phloem are the examples.
Explanation:
Complex tissues help in the transportation of organic material, water, and minerals up and down the plants. That is why it is also known as conducting and vascular tissue. The common types of complex permanent tissue are: <u>Xylem and phloem</u> .
The answer is decomposers.
Answer:
Enzymes work best and are more efficient at a certain temperature. This is called the 'optimum temperature'. This investigation was carried out at 40° as this temperature allows more collisions among the molecules, thus being the optimum temperature for enzyme activity.
Higher temperatures causes the enzymes to be denatured .