The three symbols from the Angolan flag include: a cog wheel, machete and a star. These represent the regional variation of worker's tools, and workers tools in similar combination were also seen on the flag of the Soviet Union. It's also a symbol of communist, which is the mian reason why both countries adopted this flag.
The first president of the united states
Republic
Unitary state
Semi-presidential system
Military dictatorship
Answer:
potassium-argon dating
Explanation:
potassium-argon dating is used based on the decay of radioactive potassium 40, argon 40, it even goes to calcium 40 in any minerals
Answer: D
Explanation: It's right for k12