Question

write 2 ways in which plants are useful to us​

Answer 1

These are the three ways in which plants are useful to us :

1.Plants helps in exchange of gas, they liberate oxygen and inhale carbon dioxide.

2.They provide food sources to various organism,for eating,grazing,etc.

3.They are helpful in medicinal area to provide their parts for several drug which are used as medicine.

Answer 2

Answer:

In the process of photosynthesis plant take in CO2 and release O2. O2 is an essential gas for our survival.

They also provide us with raw materials like wood, cotton,etc.