Which is the most practical approach that can be done by most people to reduce dependence on nonrenewable energy sources?

A. using recycled materials in house construction

B. using high power generators

C. using hydroelectric power

D. saving elecricity at home

D. saving electricity at home

This is the most practical approach that can be done by most people to reduce dependence on nonrenewable energy sources. By conserving electricity at home, individuals can reduce their overall energy consumption and reliance on nonrenewable energy sources such as coal and natural gas. This can be achieved through simple actions such as turning off lights when not in use, unplugging electronics when not in use, using energy-efficient appliances, and reducing overall energy consumption.

Which is a direct result of increased consumption of metals?

A. climate change from the use of metals

B. rising sea levels

C. increased human population

D. pollution from mining operations

D. pollution from mining operations

Increased consumption of metals often leads to higher demand for mining activities to extract these metals from the earth. This can result in pollution from mining operations, such as water contamination, soil erosion, habitat destruction, and air pollution. Therefore, one direct result of increased consumption of metals is the environmental impact and pollution caused by mining activities.

The long-distance navigational skills of the Polynesians eventually led to the ______

A. development of Aborigine culture.

B. development of farming in New Guinea.

C. settlement of New Zealand and Hawaii.

D. settlement of Samoa and Tonga.

C. settlement of New Zealand and Hawaii.

The long-distance navigational skills of the Polynesians allowed them to settle and establish communities in distant islands such as New Zealand and Hawaii. Their expertise in navigation enabled them to traverse vast stretches of ocean and establish connections between various islands in the Pacific region.

Which skill did early New Guineans develop that Australia's Aborigines did not?

A. farming

B. oral tradition

C. navigation

D. hunting and gathering

A. farming

Early New Guineans developed farming skills which enabled them to cultivate crops and domesticate animals, while Australia's Aborigines primarily relied on hunting and gathering for sustenance. This marked a significant difference in the way both cultures obtained food and resources.

How did the geography affect the development of Aboriginal culture?

A. Those living in wooded areas became farmers, while those who lived near the sea hunted.

B. A single Aboriginal culture developed despite the diversity of the land.

C. A variety of Aboriginal cultures developed due to the diversity of the land.

D. Those living in the temperate areas established permanent dwellings, while those living in arid climates were nomadic.

C. A variety of Aboriginal cultures developed due to the diversity of the land.

The geography of Australia, with its diverse landscapes including deserts, woodlands, coastal areas, and temperate regions, contributed to the development of a variety of Aboriginal cultures. Different regions offered different resources and environmental conditions, leading to unique cultural practices, technologies, and ways of life among Aboriginal groups. This diversity of landscapes and ecosystems influenced the cultural, social, and economic practices of the Aboriginal peoples across Australia.