Summarize the following:
One of the most common causes of earache is the common cold, and while there is no cure for the cold virus, you can take precautionary steps to avoid contracting it in the first place.  Wash your hands regularly, especially after you've been in public places and before eating. If you don't have access to a sink, use alcohol-based hand sanitizer. The cold virus is notoriously resilient and can live for hours on surfaces, so even if you don't see anyone who appears sick, its possible to contract a cold simply from going to the library or the grocery store.  Exercise regularly. People who exercise regularly have healthier immune responses, so their bodies are able to better fight off infection and resist the cold virus.  Eat a vitamin-rich, balanced diet. Eat nutrient-dense, whole foods, focusing on lean proteins, vegetables, and fruits. The phytochemicals in plants like peppers, oranges, and dark leafy greens actually help your body absorb vitamins, so it's best to stick to natural foods for your immune-supporting vitamins. Allergic reactions can cause itching in the ear and earache. These can range from environmental to food-based allergies. Call your doctor to schedule allergy testing, which can include a blood test or a skin-prick test. The test will give you information on what kind of allergens might be responsible for your ear irritation, such as ragweed, pets, or dairy. Ear infections in babies are common but can be reduced or prevented using particular feeding strategies.  Vaccinate your child. One of the common infectious agents for ear infections is part of the routine vaccine series. Try to breastfeed for at least the first 12 months of your baby's life. Breastmilk contains antibodies that have been shown to reduce ear infections, so breastfed babies tend to get earaches less often than formula-fed babies.  If you bottle feed, be sure to hold the baby at a 45 degree angle, and never feed the baby flat on his or her back or laying in his or her crib. Doing so can cause liquid to pool in the inner ear, resulting in an earache. Try to wean the baby from the bottle to a sippy cup between ages 9 and 12 months in order to reduce the rate of ear infections associated with bottles.

summary: Avoid the cold virus. Get tested for allergies. Prevent ear infections in babies.


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If you do not have any glitter glue at home, use clear glue instead, and add in about 1 teaspoon of glitter. You can also add some color with a drop or two of liquid watercolor, liquid food coloring, or gel food coloring. You may be able to use white school glue for this method too. You will need to add in about 1 teaspoon of glitter into it. If you want it to be colorful, add in a few drops of liquid watercolor, liquid food coloring, or gel food coloring. If you want something  thicker and stretchier, sort of like Silly Putty, skip adding water. Keep stirring until the glue and water (if using) are evenly combined. Do not add the liquid starch just yet. It is important to mix your base ingredients first. If you just dump everything into the bowl all at once, your slime won't come together properly. Start with just ½ cup (120 milliliters) of liquid starch. Stir it in with a spoon first, then knead it in with your hands. At some point, the slime will ball together, and leave behind liquid starch in the bowl. At this point, you can scoop the slime out of the bowl, and discard the excess starch. If the slime isn't stretchy enough for you, add some more liquid starch, and knead it in.

summary: Pour ½ cup (120 milliliters) of glitter school glue into a mixing bowl. Stir in ½ cup (120 milliliters) of water, if you want a gooier slime. Stir everything together with a spoon. Pour the liquid starch in, then mix it together.


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You can think of a significant digit as an "interesting" or an "important" digit that gives you useful information about a number. This means that any zeroes to the right of whole numbers or to the left of decimals can be discounted because they are placeholders. To find the number of significant digits in a number, just count the number of digits from left to right. Here are some examples:  1.239 has 4 significant digits 134.9 has 4 significant digits .0165 has 3 significant digits This depends on the problem you're working with. If you're rounding a number to two significant digits, for example, then you'll need to identify the second significant digit of the number and then use the number to the right of it to see if you should round it down or up. Here are some examples:  1.239 rounded to 3 significant digits is 1.24. This is because the digit to the right of the third digit, 3, is a 9, which is 5 or more. 134.9 rounded to 1 significant digit is 100. This is because the digit to the right of the digit in the hundreds place, or the first digit, 1, is 3, which is less than 5. 0.0165 rounded to 2 significant digits is 0.017. This is because the second significant digit is 6, and the number to the right of it, 5, makes it round up. To do this, you will first have to add up the numbers you are given. Then, you will have to find the number with the lowest amount of significant digits and then round your entire answer to that place. Here's how you do it:  13.214 + 234.6 + 7.0350 + 6.38 = 261.2290 See that the second number, 234.6, is only accurate to the tenths place, or four significant digits. Round the answer so that it is only accurate to the tenths place. 261.2290 becomes 261.2. First, multiply all of the numbers that you are given. Then, check them to see which number is rounded to the least amount of significant digits. Finally, round your finally answer to match the level of accuracy of that number. Here's how you do it:  16.235 × 0.217 × 5 = 17.614975 Notice that the 5 number only has one significant digit. This means that your final answer will only have one significant digit as well. 17.614975 rounded to one significant digit becomes 20.
summary: Understand what a significant digit is. Round a number to an amount of significant digits. Round to the correct number of significant digits in addition. Round to the correct number of significant digits in multiplication.