Wind is considered to be a biotic factor.
The first one iss shrimp certain squid and fish
The lac operon contains an operator, promoter, and structural genes that are transcribed together and are under the control of the catabolite activator protein (CAP) or repressor.The lac operon encodes for the genes needed to utilize lactose as an energy source. Answer is C
The corona is the Sun's atmosphere. The corona extends far into space and is much hotter than the surface.