Question

why do we have green house in botanical gardens ​

Answer 1

The main purpose of a greenhouse is securing a reasonable amount of heat and water vapors so that warmth and humidity is maintained within the greenhouse. All- Season Garden: Many gardeners face one common problem and that is not being able to plant certain seeds because of an unsuitable season.

Answer 2

We need some greenhouses within the botanical gardens for providing plants to make an optimal environment for the steady growth of plants.  

Explanation:  

• Greenhouses are "specific glass-enclosed spaces" where the "moisture, temperature, sunlight" are controlled for giving the plants the "right environment to grow".
• On the same side, the greenhouses which are help in providing the 'optimal ambiance' for the seasonal plants that is the rest part of the 'open botanical gardens' might not have at a particular time.
• Therefore, to help the young plants that grow and to help for nurturing some plants, greenhouses are placing within the botanical gardens.

To know more:

What is greenhouse effect? List two green house gasses and state the ultimate effect of green house gases to the environment?

https://brainly.in/question/2402549