What are the 4 steps in the carbon cycle? Photosynthesis, Decomposition, Respiration and Combustion. Carbon cycles from the atmosphere into plants and living things. What are two ways humans impact the carbon cycle? Human activities have a tremendous impact on the carbon cycle. Burning fossil fuels, changing land use, and using limestone to make concrete […]
What are 4 types of chemical reactions?
What are 4 types of chemical reactions? Representation of four basic chemical reactions types: synthesis, decomposition, single replacement and double replacement. How many type of chemical reaction are there? five What is chemical reaction explain with an example? A chemical reaction happens when one or more chemicals are changed into one or more other chemicals. […]
What happens when a substance undergoes a physical change answer?
What happens when a substance undergoes a physical change answer? ➡️A physical change is a change to the physical—as opposed to chemical—properties of a substance. They are usually reversible. ➡️Physical changes are changes affecting the form of a chemical substance, but not its chemical composition. ➡️In a physical change appearance or form changes, but substance […]
How will the force get affected on reversing the direction of current flow?
How will the force get affected on reversing the direction of current flow? (i) On reversing the direction of current, the conductor gets deflected in the upward direction. i.e., the direction of conductor reverses. (ii) If the magnitude of current is doubled, it will result in doubling the magnitude of the force. How do you […]
Could a volcano destroy the world?
Could a volcano destroy the world? Roughly every 100,000 years, there’s a supervolcano explosion somewhere in the world, the consequences of which can be fatal. If the volcano below Yellowstone National Park were to erupt, it would result in worldwide hunger and a volcanic winter (the cooling of the lower atmosphere). Can you survive a […]
Which Eclipse is today?
What is the primary function of a neuron?
What is the primary function of a neuron? The neuron is the basic working unit of the brain, a specialized cell designed to transmit information to other nerve cells, muscle, or gland cells. Neurons are cells within the nervous system that transmit information to other nerve cells, muscle, or gland cells. Most neurons have a […]
Which type of exercise can be hard on the joints?
Which type of exercise can be hard on the joints? High impact exercise Which type of exercise is a good choice for an overweight person? If you’re overweight, focus on activities that put minimal stress on your joints, like walking, swimming, or water exercises. If the idea of 150 minutes of exercise every week sounds […]
What are the three main characteristics of sound?
What are the three main characteristics of sound? The basic properties of sound are: pitch, loudness and tone. Figure 10.2: Pitch and loudness of sound. Sound B has a lower pitch (lower frequency) than Sound A and is softer (smaller amplitude) than Sound C. What is nature of sound waves? introduction. Sound is a longitudinal, […]