Answer:yes
Explanation:
Impure substance is a mixture of 2 or more molecules
Ecosystems can be large and are made of biomes. Some examples of ecosystems are deserts and forests.
Answer AND Explanation:
There is a large number of biochemical reactions taking place in a cell at any given time. Enzymes being biological catalysts control these reactions and regulate them so that they proceed at a pace that is suitable for sustaining life. Thus enzymes regulate cellular activities. Enzymes also ensure that only the required reactions take place and progress to their appropriate extent.
It’s the letter C.................
