Are clouds really fluffy? Cumulus clouds look like fluffy, white cotton balls in the sky. They are beautiful in sunsets, and their varying sizes and shapes can make them fun to observe! Stratus cloud often look like thin, white sheets covering the whole sky. Since they are so thin, they seldom produce much rain or […]
What is the heart of the scientific process?
What is the heart of the scientific process? Experimentation is the heart of science. Scientists ask questions, gather evidence, share ideas, and analyze data. In designing an experiment, the specific question (or questions) that the experiment is meant to answer must first be clearly identified. What are three different paths you can take to explore […]
What are the 3 most important issues facing us in the 21st century?
What are the 3 most important issues facing us in the 21st century? Among these are jobs and education, economic inequality, an aging population with health problems, and climate change and energy needs. What are the greatest health risks in the 21st century? The four major NCDs, accounting for 80% of all premature NCD-related deaths […]
Do most photographers use only continuous source lighting?
Do most photographers use only continuous source lighting? Most photographers use only continuous source lighting in their studios. Artificial lights give a photographer more flexibility than natural lighting. They pass light through a diffusing material in the front. Front lighting is always the best light direction for a portrait. How do you stop Flash hotspots? […]
Why is it easier to open a door with a doorknob?
What is the importance of a rough draft?
What is the importance of a rough draft? The sole purpose of a rough draft is to give you a place to start to formally put together your ideas with evidence. Additionally, writing a rough draft lets you gauge if you need to do more research, change your purpose, or switch topics completely. What do […]
Which of the following is true of balance equation?
Which of the following is true of balance equation? Answer Expert Verified The right answer is There must be an equal number of atoms of each element on both sides of the equation. Balancing Equations is a part of Stoichiometry. Is H2 O2 a chemical reaction? When two hydrogens and an oxygen share electrons via […]
How can you tell if a reaction is spontaneous?
How can you tell if a reaction is spontaneous? Spontaneous reactions release free energy as they proceed. Recall that the determining factors for spontaneity of a reaction are the enthalpy and entropy changes that occur for the system. The free energy change of a reaction is a mathematical combination of the enthalpy change and the […]
How many photons does a 60 watt bulb?
How many photons does a 60 watt bulb? so, #photons= 60/3.2EXP(-19)=1.87EXP20 photons per second. How do you calculate the number of photons emitted per minute? Find the number of photons emitted per minute by a 25W source of monochromatic light of wavelength 5000Å. Use h=6.63×10-34Js. Step by step solution by experts to help you in […]
What are the 5 unique properties of water?
What are the 5 unique properties of water? Unique properties of water Water is polar. Water is an excellent solvent. Water has high heat capacity. Water has high heat of vaporization. Water has cohesive and adhesive properties. Water is less dense as a solid than as a liquid. What is the most unique feature of […]