Home > General ScienceWhat type of rock is formed by volcanic activity?A. Sedimentary B. Metamorphic C. Igneous D. FossilAnswer: IgneousSubjects: General ScienceRelated MCQsWhat part of the brain controls balance and coordination?What is the most abundant element in the universe?What is the most common cause of tides in Earth’s oceans?What is the unit of frequency in physics?Which gas is used in balloons to make them float?Which process causes the gradual breakdown of rocks at Earth’s surface?Which vitamin is essential for blood clotting?Which part of the plant is responsible for photosynthesis?Which gas is used in the process of photosynthesis?What is the hardest natural substance on Earth?What gas is commonly known as laughing gas?What is the SI unit of force?Which gas do plants absorb from the atmosphere for photosynthesis?Which planet has the most moons?Which blood type is known as the universal donor?