Question

Define R4 M4 principle of green synthesis

Answer 1

Explanation:

R4 stands for

Reduce Reuse Recycle Redesign

M4 stands for

Multipurpose Multidimensional Multi-Faceting Multi-tracking

The principle of R4M4 (Reduce Reuse Recycle Redesign and Multipurpose Multidimensional Multi-Faceting Multi-tracking)  of materials and methods saves upto 90% of resources, time and can enhance the accuracy and precision associated with the measurements.

R4 is concerned about material and M4 is concerned with method. One of the example is Survismeter.

To read more about it check the link below.

https://survismeterinvention.weebly.com/about.html

Answer 2

Answer:

it's biology not chemistry