*Question*
Q: What type of energy is useful to humans because it's ease of transport and conversion to other forms of energy? Read this paragraph and choose the correct option from the provided answers: Electrical energy is useful to us mostly because it is easy to transport and can be easily converted to or from other forms of energy. Of course, conversion involves wast, typically as heat. Choices: - physical - potential - heat - electrical A:
**Answer**
electrical

*Question*
Q: The visible surface of the sun is called what? Read this paragraph and choose the correct option from the provided answers: The photosphere is the visible surface of the Sun ( Figure below ). It's the part that we see shining. Surprisingly, the photosphere is also one of the coolest layers of the Sun. It is only about 6000 degrees C. Choices: - Corona - Radiative Zone - Chromosphere - photosphere A:
**Answer**
photosphere

*Question*
Q: What do you call a group of organisms of the same species that live in the same area? Read this paragraph and choose the correct option from the provided answers: Communities are made up of populations of different species. In biology, a population is a group of organisms of the same species that live in the same area. The population is the unit of natural selection and evolution. How large a population is and how fast it is growing are often used as measures of its health. Choices: - system - ecosystem - biosphere - population A:
**Answer**
population

*Question*
Q: Niche and habitat are concepts related to what broader term? Read this paragraph and choose the correct option from the provided answers: 7. Compare and contrast the ecosystem concepts of niche and habitat. Choices: - population - biome - community - ecosystem A:
**Answer**
ecosystem