The correct answer is letter B.
Explanation: Even for the best studied star we can only measure 4 parameters: mass, luminosity, radius and chemical composition of the outer layers. We can determine the structure of the star with these parameters, because we have one more condition: the constancy of the stars over long periods of time. Even variable stars have long-term stability of the average structure. The existence of fossil algae on the earth over 1 billion years old and fossils up to 3.5 billion years old is evidence that the temperature of the earth cannot have changed by more than about 20 ° C. Therefore, the interior of the stars must be in perfect balance.
Answer: Passive solar technology
Explanation:
Passive solar technology is the method of using materials to attract sunlight for warmth. Solar energy is the energy that comes from the sun. To store this energy gotten from the sun you'll need some elements to transfer this energy then store them. According to the passage the individual used a black material (black material is used for conveying and storing heat, it's one of the best form for doing so), the black material and the water helps warm the water needed for the individual after his hiking which actually worked.
Answer:
The annual cost of housing a prisoner is so high.
Explanation:
In United States, incarceration is considered as one of the important forms of punishment given to the criminals. It is also taken as rehabilitation of the prisoners of felony and the other offences.
Incarceration is that state of keeping the offenders confined or imprisoned in houses and other detention centers.
Presently. United States have the highest rate of incarceration per capita in the world. And one of the major problems that US faces is that the housing or keeping the prisoner in detention houses is very costly and US have to spend huge amount of money on it.
Assets are purchased as a group in a single transaction for a lump-sum price must be plant.
In economic accounting, an asset is any useful resource owned or controlled with the aid of a enterprise or an financial entity. it's miles anything (tangible or intangible) that may be used to provide positive economic value. assets represent value of possession that can be transformed into coins (despite the fact that cash itself is likewise considered an asset).[1] The balance sheet of a firm facts the economic[2] price of the assets owned by means of that firm. It covers cash and other valuables belonging to an character or to a business.[1]
Learn more about Assets here
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Answer: b. set of structure
Explanation: