What are some words that contain the root ject?
What is the physical meaning of -1 aka the square root of -1 Does it have any physical existence and if not then why is it used to describe some real physical quantities like some terms in electricit?
The square root of -1 is represented by the letter i. This can be useful because it allows one to solve problems that would normally be unsolvable due to the presence of a negative radical at some point during the calculation. As long as the solution does not contain an i, it can be used in practical applications.
if organisms contain green color they contain chlorophyll. but some organisms like cyanobacteria they contain chlorophyll but also contain blue pigment. So they look like bluish and also some time redish. The organisms who contain chlorophyll they are autrophic and prepare their own food but some time also become parasitic.