100 J
Explanation:
multiply the force by the distance
20 N x 5 meters = 100 J
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Multicellular organisms, as the name implies, have many types of cells, while unicellular organisms contain just one cell each. Both kinds of organisms reproduce through meiosis or mitosis. Multicellular organisms generally form the higher tiers in the web of life. These living beings, including plants and animals, have a more complex internal layout than unicellular creatures. They rely on specialized cells and cell departments for carrying out specific tasks, such as breaking down food, sending electrical messages and other duties necessary for supporting life. This distinction, called cell differentiation, lets multicellular organisms engage in more complex physical and cognitive tasks than unicellular organisms.In addition to having specialized cells, multicellular organisms have separate organ systems to perform specific tasks. These systems, such as the cardiovascular, digestive and respiratory systems, perform life processes necessary for survival. Digestive systems, for instance, deliver nutrients and energy to organs in the digestive tract, letting them process and digest food. These organ systems also facilitate communications between different types of systems, such as the circulatory and nervous systems.
Answer:
mutualism
Explanation:
Mutualism, a relationship in which both species benefit, is common in nature. In microbiology, there are many examples of mutualistic bacteria in the gut that aid digestion in both humans and animals.
Answer:
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Answer:
1. The frequency of the incident light must be equal to or greater than the threshold frequency of the photons before emission could take place.
2. The intensity of the incident light is proportional to the amount of photons released. The higher the intensity of light, the greater the amount of photons ejected.
Explanation:
1. Photoelectric effect is the process by which light with sufficient frequency falls on the surface of a material, e.g metal, to emit electrons. The incident light must have a minimum value of required frequency for the electrons to be ejected. This energy is termed work function which is a function of frequency.
So for emission to take place, the frequency of the incident light must be equal to or greater than the threshold frequency of the photons.
2. The intensity of light is a measure of the amount of light per unit area. When the intensity of incident light increases, the probability that photons would be released increases. The intensity of the incident light is proportional to the amount of photons released.