Answer: B) Mercury Explanation:

Answer: A) Mandarin Chinese Explanation:

Answer: C) economy moves from trough to peak Explanation: Business cycles are identified as having four distinct phases: 1. Expansion, 2. Peak, 3. Contraction, and 4. Trough. Expansion is the phase of the business cycle when the economy moves from a trough to a peak. It is a period when the level of business activity surges and gross domestic product (GDP) expands until it reaches a peak. A period of expansion is also known as an economic recovery. An expansion is characterized by increasing employment, economic growth, and upward pressure on prices.

Answer: B) Nirmala Sitharaman Explanation: Nirmala Sitharaman, who took oath as the new Cabinet member in september 2017 under Narendra Modi, has been given the Defence Ministry portfolio. Incidentally, she has become the first dedicated woman defence minister of India and only the second woman to hold the crucial ministry after Indira Gandhi.

Answer: B) Cerebellum Explanation: The cerebellum is a small part of the brain positioned at the back of the head, where it meets the spine, which acts as the body's movement and balance control centre.     It's a lot smaller than the cerebrum at only 1/8 of its size. But it's a very important part of the brain.

No. Boiling water is not a chemical change. Because in this process it doesn't loss its properties. It just changes its state i.e, from liquid state to gaseous.   Hence, Boiling water is a Physiacl change and not a chemical change.

John Muir encouraged the establishment of various parks in the United States' National Park System, including the Yosemite and Sequoia National Parks.

Answer: A) A to G : 2, 3, 7, 6, 5, 1, 4 Explanation: This can be done in two ways 1. A to G : 2, 3, 7, 6, 5, 1, 4  2. A to G : 4, 3, 7, 5, 6, 2, 1