How many full length strands of hair are collected from the scalp to use as a sample 2/15 25 50? Answer Expert Verified. You need to collect 50 full length strands of hair from the scalp to use as a sample. How many falling strands of hair are collected from the scalp to use as […]

Why is there carbon dioxide in the atmosphere? Carbon dioxide is an important greenhouse gas that helps to trap heat in our atmosphere. Without it, our planet would be inhospitably cold. Respiration, the process by which organisms liberate energy from food, emits carbon dioxide. When you exhale, it is carbon dioxide (amongst other gases) that […]

Is vegetable oil non-polar? Vegetable oil is a non-polar molecule. These two substances do not mix together, they are imiscible (they will not mix together). What is the molecular structure of vegetable oil? Triglycerides Vegetable oils are all triglycerides, which contain a glycerol () three carbon “backbone” with 3 long chain “fatty acids” attached through […]

How is an areas topography determined? 1/How is an area’s topography determined? (1 point) by using an area’s longitude and latitude. by using an area’s elevation, relief, and landforms. by using an area’s elevation, longitude, and latitude. 2. How is topography measured? Measuring topography can refer to mathematical assessments of elevation and streamflow, or it […]

What is the Krabby Patty secret formula? We all loved SpongeBob SquarePants at some point. It was daft and we were always curious about what the secret formula in Krusty Krabs’ delicious Krabby Patty was. According to Urban Dictionary, poseidon’s powder is actually cocaine. … What is the number 1 selling soda? Coca Cola Which […]

How are mammals different from other groups of animals? The characteristics that make a mammal a mammal include pres- ence of hair or fur, warm-blooded, young born alive, mammary glands and complex brain. 5) it has a larger and more complex brain than any of the other animal groups. 1. Mammals are the only kind […]

What is the rapid change in salinity as you go deeper in the ocean called? pycnocline What is the thermocline layer? A thermocline is the transition layer between warmer mixed water at the ocean’s surface and cooler deep water below. Below 3,300 feet to a depth of about 13,100 feet , water temperature remains constant. […]

What are the elements on the far right side of the periodic table? Explanation: But as we FACE the Periodic Table, the elements on OUR right hand side are the Noble Gases…: helium; neon; argon; krypton, xenon; and radon …. What are the elements in the first group of the periodic table? Group 1A (or […]

Why is the Grignard reaction so important in organic chemistry? Grignard reactions are important due to their ability to form carbon-carbon bonds. Grignard reagents are strong bases and will react with protic compounds which makes them exceedingly valuable tools for organic synthesis. Why must Grignard reaction be anhydrous? The resulting “Grignard reagent” acts as both […]

What kind of material is used for making cooking utensils? Common materials used in cookware and utensils are: Aluminum. Copper. Iron. What is the most common piece of cooking equipment used in the kitchen? Chef’s Knife A knife is the most used utensil in the kitchen, and having a sharp knife that properly slices, dices […]