Question

Q.2 A)Write the names of the following (any two for each)
1) Constituents of cement
2) Cell organelles
3) Digestive enzymes
4) Non-metal.
5) Sources of noise pollution.​

Answer 1

Explanation:

1) iron,calciuma

2) Nucleus, golgi

3) Lipases, trypsin

4) Oxygen,phosphorus

5) traffic noise, animals

Answer 2

Answer:

here is your answer

Explanation:

2 and 4