How can I learn English in 20 days? It takes time to learn a language…. Learn how to read in English. Learn 1000 most common words in English. With this you should be able to understand 80% of things you read/hear. Learn tenses. Read books in English. Watch movies and tv shows in English. Keep […]
How many liters of air can a balloon hold?
How do you keep foil balloons from deflating?
How do you keep foil balloons from deflating? Spray the balloons with a mist of any hairspray. This interesting technique will help keep the air from escaping the balloons. Once all the balloons have been blown up, you can store them in a large plastic bag until the time for the event. Doing this will […]
What can become Fossilised?
What can become Fossilised? A fossil can preserve an entire organism or just part of one. Bones, shells, feathers, and leaves can all become fossils. Fossils can be very large or very small. Microfossils are only visible with a microscope. What happen to the water after you put the ash? When you add water the […]
Which of the following is not a source of genetic variation?
Which of the following is not a source of genetic variation? Answer and Explanation: Mitosis of fertilized eggs is not a source of genetic variation. Mitosis will always produce genetically identical daughter cells to the parental cell. Random fertilization, independent assortment, and crossing over in meiosis will all increase genetic variation. Why crossing over is […]
Why are rocks so important?
Why are rocks so important? Rocks and minerals are all around us! They help us to develop new technologies and are used in our everyday lives. Our use of rocks and minerals includes as building material, cosmetics, cars, roads, and appliances. Rocks and minerals are important for learning about earth materials, structure, and systems. What […]
Is the variable qualitative or quantitative favorite color?
Is the variable qualitative or quantitative favorite color? A. The Variable Is Qualitative Because Color Is Found By Measuring Or Counting. Is distance quantitative or qualitative? Most data can be put into two groups: qualitative (hair color, ethnic groups and many other attributes of population) and quantitative (distance traveled to college, number of children in […]
What can be the advantage of a blue filter before the condenser lens in a light microscope?
What can be the advantage of a blue filter before the condenser lens in a light microscope? A blue filter placed over the lamp absorbs the red parts of the spectrum and gives the picture a cooler, more neutral color. Many digital microscope cameras already have an integrated blue filter over the sensor of the […]
What is gravity assist speed?
What is gravity assist speed? In orbital mechanics and aerospace engineering, a gravitational slingshot, gravity assist maneuver, or swing-by is the use of the relative movement (e.g. orbit around the Sun) and gravity of a planet or other astronomical object to alter the path and speed of a spacecraft, typically to save propellant and reduce […]
What state does not have bears?
What state does not have bears? The overall population of American black bears in the United States has been estimated to range between 339,000 and 465,000, though this excludes populations from Alaska, Idaho, South Dakota, Texas and Wyoming, whose population sizes are unknown. Are there grizzly bears in South Dakota? Grizzly bears once numbered about […]