Answer: The criterion and constraint for the identifying the lighthouse signals are as follows:
Explanation:
The constraints for the lighthouse signals are to the conditions that are to satisfied in accordance with the design. The display of the lighthouse can display a single flash which can repeat at 5, 10, and 15 seconds of the intervals.
A lighthouse is constructed near the seashore so that the water transportation vehicles can detect the light and reach to the shore.
Answer: converts light, oxygen and water into carbohdrates
Explanation: hope this helps..bella~
The correct answer for the question that is being presented above is this one: "d. amount of plankton." The key abiotic factor in marin ecosystems includes the water temperature, the amount of sunlight and the water depth. The amount of plankton is not really an issue.
The answer is D, photosynthesis and respiration.
—Evidence—
Oxygen is a byproduct of photosynthesis and, correspondingly, carbon dioxide the byproduct of respiration.
Oxygen gives our cells the ability to break down food in order to get the energy we need to survive. Although other animals may use different organs to breathe with, they all get oxygen into their bodies through respiration.