Which option identifies the action that would best achieve the goals in the following scenario? A grower wishes to improve the overall speed and vigor of plant growth, promote earlier bloom-time, and ensure larger flower size in his
greenhouse. Basic elements of soil composition, temperature, and light have been dealt with.
O move plants to secondary growing area
O purchase incandescent grow lights
O increase ventilation levels
o increase carbon dioxide levels

a "theory" a suggestion that is not 100 % accurate, or a figure. some people say its a theory because they of all the passed theory's about one subject. it depends sometimes theory might be accurate and sometimes they are.

answer : haversian

[explanation: -(compact bone is organized as parallel columns, known as haversian systems, which run lengthwise down the axis of long bones. these columns are composed of lamellae, concentric rings of bone, surrounding a central channel, or haversian canal, that contains the nerves, blood vessels, and lymphatic system of the bone)]

the answer would be..

b. sucking