How did Earths oceans form? According to this theory, the ocean formed from the escape of water vapor and other gases from the molten rocks of the Earth to the atmosphere surrounding the cooling planet. After the Earth’s surface had cooled to a temperature below the boiling point of water, rain began to fall—and continued […]
Why do green plants are called Autotrophs?
Why do green plants are called Autotrophs? Photosynthesis. Plants are autotrophs, which means they produce their own food. They use the process of photosynthesis to transform water, sunlight, and carbon dioxide into oxygen, and simple sugars that the plant uses as fuel. Which plant is called green gold? Tea crop What is plant life called? […]
Is there another way of writing very big or small numbers?
Is there another way of writing very big or small numbers? Scientific notation is a way of writing very large or very small numbers. A number is written in scientific notation when a number between 1 and 10 is multiplied by a power of 10. For example, 650,000,000 can be written in scientific notation as […]
Which state reaches farthest north?
Which state reaches farthest north? Alaska What is the most north town in the world? Longyearbyen What country is closest to the North Pole? Nunavut What is the most northern habitable area on Earth? Alert, in the Qikiqtaaluk Region, Nunavut, Canada, is the northernmost permanently inhabited place in the world, located on Ellesmere Island (Queen […]
What is the solution for acceleration?
What is the solution for acceleration? Acceleration (a) is the change in velocity (Δv) over the change in time (Δt), represented by the equation a = Δv/Δt. This allows you to measure how fast velocity changes in meters per second squared (m/s^2). Acceleration is also a vector quantity, so it includes both magnitude and direction. […]
Which noble gas is least Polarisable?
Which noble gas is least Polarisable? Helium Why are Group 18 called noble gases? The group 18 elements are helium (He), neon (Ne), argon (Ar), krypton (Kr), xenon (Xe), and radon (Rn). These elements are non-reactive and are called noble gases as they have their outermost orbit complete. Due to stable electronic configuration they hardly […]
How many NBA players can play in a game?
How many NBA players can play in a game? 15 players Is basketball good for the heart? Boosts heart health Regular physical activity helps to improve heart health and overall fitness levels. According to research from 2019, basketball increases resting heart rates, which has a positive effect on cardiorespiratory fitness. This is linked to a […]
How safe is Autobahn?
How safe is Autobahn? Is the Autobahn safest? Research by the Federal Highway Research Institute states that the Autobahn experiences fewer vehicle-related fatalities than the U.S. This means this German highway experiences fewer deaths per billion miles traveled than American highways. Which country has highest speed limit? Poland What is highest speed limit in USA? […]
What humidity level is dry?
What humidity level is dry? Let’s talk about what humidity levels you should keep in your home year round, and different techniques to do so. Ideal in-home humidity levels should hover around 45%. Anything under 30% is too dry, over 50% is too high. What is a good humidity level for sleeping? Best Humidity for […]
What advantage does the van der Waals equation give us over the ideal gas law?
What advantage does the van der Waals equation give us over the ideal gas law? What advantage does the van der Waals equation give us over the ideal gas law? We can account for the behavior of gases under non-ideal conditions. Is ideal gas law or van der Waals more accurate? What pressure does van […]