Answer: <em>The upper caste was composed of rulers, nobles and priests. The middle caste were businessmen, merchants and soldiers. The lower caste was made up of farmers and slaves. Rulers: Each city had a ruling family.</em>
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<u>USA and Germany
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Explanation:
The First, Second, and Third Five-Year Plans were a series of centralized international projects for the USSR economy. They were institutionalized under the mandate of Stalin who took full control of agricultural and industrial activity. There were implemented from 1928 to 1941, the year they were interrupted due to World War II. It helped the rapid development of the industry and especially the heavy industry.
Answer:
Claim 2: Earthworms can respond to light.
Explanation:
Yes, earthworms do not have eyes. However, sensory organs of animals isn't restricted to the eyes alone. Other sensory organs include, ears for hearing, nose for smelling and so on. In terms of response to light, the eyes as a sense organ comes into play. However, the skin is also a sense organ which has the ability to feel the effect of a phenomenon such as as heat or respond to touch. Because light produces heat, earthworms can respond to light through their skin. With their skin they can measure the intensity of light falling in them and adjust depending on their current body temperature.
Therefore, earthworms can respond to light with their skin.
The experiment as more enjoyable than participants in the other two groups
<span>the correct answer is D. Clermont. the Clermont was the first steam boat on the Hudson. the year was 1807</span>