Children with SCID are kept in isolation suites.why?

What is an isolated system?

Define an isolated system.

What is reproductive isolation?

Surface of some meltals lose their brightness when kept in air for a long time. Why?

Protoplast isolation was first established by :

Can the temperature of an isolated system change?

Compare the potted plants kept in the sunlight with those in the shade.Which of them has leaves that are darker green?Why?