Obsidian is volcanic glass compared to other igneous rocks , there’s also no proper crystallization compared to the other igneous rocks
The correct answer is False. A nation's political stability affects how well they can go about child care.
A seismometer is an instrument that responds to ground noises and shaking such as caused by earthquakes, volcanic eruptions, and explosions. They are usually combined with a timing device and a recording device to form a seismograph.
Answer: If the sin 30° = 0.5, then the cos 60° = 0.5 (same as 1/2)