What is the purpose of mitosis and meiosis? The goal of mitosis is to produce daughter cells that are genetically identical to their mothers, with not a single chromosome more or less. Meiosis, on the other hand, is used for just one purpose in the human body: the production of gametes—sex cells, or sperm and […]
What is Lambda fuel ratio?
What is Lambda fuel ratio? Lambda represents the ratio of the amount of oxygen actually present in a combustion chamber compared to the amount that should have been present in order to obtain “perfect” combustion. Thus a lean air/fuel ratio of, say, 16:1 would translate to a lambda value of 1.088. (To calculate, divide 16 […]
What does a four-stroke cycle do?
What does a four-stroke cycle do? An internal-combustion engine goes through four strokes: intake, compression, combustion (power), and exhaust. As the piston moves during each stroke, it turns the crankshaft. Do spark plugs fire every cycle? For gasoline and other non-diesel engines, spark plugs fire once every combustion cycle. Once the engine is warmed up […]
What are fundamental units give example?
What are fundamental units give example? For example, in the SI system the fundamental units are the metre, kilogram, and second. ‘SI (Système Internationale d’ Unites) uses seven different fundamental units, the meter, kilogram, second, ampere, kelvin, candela, and mole. ‘ What is Watt formula? The formula for calculating wattage is: W (joules per second) […]
Can you over boil potatoes?
Can you over boil potatoes? 2. Don’t Overcook or Undercook the Potatoes. If they’re undercooked, you’ll have pockets of crispy potato chunks-a big no-no for classic fluffy mashed potatoes. If you overcook them they disintegrate and your potatoes will be soupy. Should you peel potatoes before boiling? Some people may prefer to peel the potatoes […]
What is NADH and its function?
What is NADH and its function? NADH stands for “nicotinamide adenine dinucleotide (NAD) + hydrogen (H).” This chemical occurs naturally in the body and plays a role in the chemical process that generates energy. NADH is used for improving mental clarity, alertness, concentration, and memory; as well as for treating Alzheimer’s disease and dementia. What […]
What is time period class8?
What is time period class8? Time period of vibration The time taken by pendulum bob to complete one vibration or one oscillation is called the time period of pendulum. The time taken by a vibrating object to complete one vibration is called its time period. What comes after a Teraannum? There is a megaannum (Ma) […]
Why is water essential to us give four ways Class 6?
Why is water essential to us give four ways Class 6? For personal or domestic needs – Water is used for drinking and bathing, washing clothes and dishes, cleaning the house and watering plants. What is called rain? Rain is a kind of precipitation. Precipitation is any kind of water that falls from clouds in […]
How can you tell if a tornado is coming?
How can you tell if a tornado is coming? What are the Signs of a Tornado ? Cloud Base. The Cloud Base is actually and consistently rotating (EVEN IF SLOWLY). Wall Cloud. A Wall Cloud, a large LOWERING cloud formation. Dust Debris. Sudden Stop | Eerily Quiet. Intense Wind Shift. Greenish – Black Sky. Very […]
What makes Holden feel bad when he thinks about his parents?
What makes Holden feel bad when he thinks about his parents? Holden describes his mother as having a nervous condition that causes her to have terrible headaches, anxiety, and trouble sleeping. He feels guilty at the thought that he is a burden to her. Why did Holden have to leave Ernie’s? Why does Holden leave […]