Is toothpaste considered a TSA liquid? Each passenger may carry liquids, gels and aerosols in travel-size containers that are 3.4 ounces or100 milliliters. Common travel items that must comply with the 3-1-1 liquids rule include toothpaste, shampoo, conditioner, mouthwash and lotion. Can solid deodorant go in a carry on bag? Shampoo, conditioner, and roll-on, aerosol, […]
Why are 90 of stars on the main sequence?
Why are 90 of stars on the main sequence? Main sequence stars fuse hydrogen atoms to form helium atoms in their cores. About 90 percent of the stars in the universe, including the sun, are main sequence stars. Stars start their lives as clouds of dust and gas. Gravity draws these clouds together. What is […]
What are the three major types of nuclear reactions?
What are the three major types of nuclear reactions? Nuclear Reactions Fission. Fusion. Nuclear Decay. Transmutation. What are the 2 types of nuclear reactions? The two general kinds of nuclear reactions are nuclear decay reactions and nuclear transmutation reactions. In a nuclear decay reaction, also called radioactive decay, an unstable nucleus emits radiation and is […]
How can you prove that oxygen is released during photosynthesis?
How can you prove that oxygen is released during photosynthesis? Expose the apparatus to the sunlight. After few hours, gas bubbles will form and collect in the test tube. Test the gas in the test tube. A glowing splinter bursts into the flame shows the presence of oxygen. Why oxygen is released during photosynthesis? Within […]
How do you express 0.0048 in scientific notation?
Is there a three sided die?
Is there a three sided die? There are already some three-sided dice on the market. Others are just six-sided dice with the numbers 1, 2, and 3 simply appearing twice. Shapeways user Nvenom8 has come up with a truly gorgeous D3, made possible by 3D printing. What is the most sided die? All dice are […]
What is the difference between a crystalline material and one with an amorphous structure?
What is the difference between a crystalline material and one with an amorphous structure? Crystalline solids have well-defined edges and faces, diffract x-rays, and tend to have sharp melting points. In contrast, amorphous solids have irregular or curved surfaces, do not give well-resolved x-ray diffraction patterns, and melt over a wide range of temperatures. Which […]
How can a simple machine lift a heavy load with small effort?
What organisms are capable of carrying out photosynthesis?
What organisms are capable of carrying out photosynthesis? Plants, algae, and a group of bacteria called cyanobacteria are the only organisms capable of performing photosynthesis (Figure 1). Because they use light to manufacture their own food, they are called photoautotrophs (literally, “self-feeders using light”). Which three kingdoms have organisms that can photosynthesize? Terms in this […]
What landforms are created by wind erosion?
What landforms are created by wind erosion? Landforms Created by Wind Erosion Fixed Sand Sheets. Fixed sand sheets are undulating sandy hills that are found. Ventifacts. Ventifacts are stones of various sizes that have been faceted by abrasion. Ripples. Ripples are small sand waves with wavelengths of about one meter. Yardangs. Sand Dunes. How has […]