Answer: Petroleum, Electricity and Steel
Explanation: The second industrial revolution is a period between the late 19th to the early 20th century which is characterized by massive growth and expansion of industrialization. The second industrial revolution is also known as the technological revolution most notable for steel production, expansion in electrification which was previously limited to very few cities and development of Petroleum and gas supply.
Answer:
True.
Explanation:
The curiosity rover is still exploring + investigating because it is built to explore and find ancient life in Mars. The rover is still active.
Answer:
the start of representative government in Virginia
Explanation:
The answer is State governments