Category: Physics

Why do we believe there is dark matter? A sufficiently massive and cold gas cloud can collapse under its own gravity to form stars. By contrast, dark matter cannot lose energy by emitting light. Thus, while conventional matter can collapse into dense objects like stars and planets, dark matter remains more diffuse. Does a parallel […]

Do you have to have a seatbelt on in the backseat? While the law may not mandate that you wear your seat belt as a backseat passenger, it’s still a good idea to buckle up. In response, many states have enacted laws to encourage backseat passengers in vehicles to buckle up their seat belt just […]

Which unit is used to measure milk? One milk bottle contains half liter. The unit for measuring liquids is a liter. Small quantities of a liquid such as medicine are measured in milliliters. The milkman uses different types of cans to measure the milk like 1 l, 500 ml, 200 ml, 100 ml, 50 ml, […]

Why do we have two high tides per day quizlet? Explain why most coastal regions get two high tides and two low tides each day. Moon gravity pulls on different parts of Earth the Moon gravity causes high tide on the side closest to the Moon low tides occur between the two high tides the […]

What is Dry Cell give an example? A dry-cell battery stores energy in an immobilized electrolyte paste, which minimizes the need for water. Common examples of dry-cell batteries include zinc-carbon batteries and alkaline batteries. What is the rate of ZnCl2 in dry cell? The compositions of dry cell electrolyte are 15% ZnCl2 and 27%NH4Cl in […]

How does System unit work? System Unit. The system unit, like the one above is the case that contains all the electronic components of any computer system. Also on the motherboard is the Central Processing Unit (CPU), processor or brain of the computer. The CPU controls information and tells the other components inside the computer […]

Which UK National Park has the most visitors? South Downs National Park What is the newest national park in the UK? South east: New Forest | South Downs The New Forest National Park is celebrated for its ancient woodland and heathland, first given protection by William the Conqueror nearly 1,000 years ago. Which National Park […]

What are the functions of fat-soluble vitamins? Fat-soluble vitamins Nutrient Function Vitamin A (and its precursor*, beta-carotene) *A precursor is converted by the body to the vitamin. Needed for vision, healthy skin and mucous membranes, bone and tooth growth, immune system health Vitamin D Needed for proper absorption of calcium; stored in bones What are […]

Which of the following is an intrusive igneous body answers? The correct answer is C batholith. Batholith is an example of intrusive igneous rocks body, it is because , the magma has introduced into pre-existing rock layers. Which of the following is not an intrusive igneous body Brainly? Batholith is the biggest of the intrusive […]

What does a geographer need? Geographers need at least a master’s degree for most positions outside of government. Research positions usually require a master’s degree or doctorate and several years of related work experience. Most geography programs offer courses in physical and human geography, statistics, remote sensing, and GIS. What skills do geographers need? The […]