What kind of engineer was Beulah Henry? 4. Beulah Louise Henry (1887-1973). Beulah Louise Henry was a prolific inventor in the 1920s and 1930s, patenting a wide variety of engineering firsts including a vacuum ice-cream freezer, a bobbin-free lockstitch sewing machine and a typewriter that could create multiple copies without carbon paper. How old is […]
What best describe a sponge?
What best describe a sponge? Sponges constitute the phylum Porifera, and have been defined as sessile metazoans (multicelled immobile animals) that have water intake and outlet openings connected by chambers lined with choanocytes, cells with whip-like flagella. Do sea sponges feel pain? Additionally, do sea sponges feel pain? Yes. Sessile animals with no brains such […]
What are the names of various sources of control valve noise?
What are the names of various sources of control valve noise? Understanding Control Valve Noise The noise can be generated in three basic ways: by the mechanical vibration of valve components, by turbulent gas flow (aerodynamic noise), or by cavitating liquid flow (hydrodynamic noise). What is noise pollution and its sources? Noise pollution is defined […]
Why is zoom quality so bad?
How do you read a chemical compound?
How do you read a chemical compound? When naming molecular compounds prefixes are used to dictate the number of a given element present in the compound. ” mono-” indicates one, “di-” indicates two, “tri-” is three, “tetra-” is four, “penta-” is five, and “hexa-” is six, “hepta-” is seven, “octo-” is eight, “nona-” is nine, […]
What is the advantage of observational learning?
What is the advantage of observational learning? According to Bandura’s social cognitive learning theory, observational learning can affect behavior in many ways, with both positive and negative consequences. It can teach completely new behaviors, for one. It can also increase or decrease the frequency of behaviors that have previously been learned. What are the five […]
Can negative mass be created?
Can negative mass be created? On 10 April 2017, Engels’ team created negative effective mass by reducing the temperature of rubidium atoms to near absolute zero, generating a Bose–Einstein condensate. Is Aether dark matter? For one team, the aether is a dead ringer for dark matter. For another, it could explain away dark energy. For […]
What are the five imaginary lines?
What are the five imaginary lines? Top 20 imaginary lines on Earth Equator: This is the king of all imaginary lines. Prime Meridian: This line marks zero degrees longitude, and is actually quite arbitrary. Missouri Compromise Line: Tropic of Capricorn: 38th parallel north: Mason-Dixon Line: Washington meridian: 49th parallel north: What two imaginary lines go […]
How did Calvin Goddard die?
How did Calvin Goddard die? His untimely death, February 22, 1955, from a car- diac ailment, followed a brief illness. He is survived by his wife Eliza (Harrison) Goddard and two daughters, Mrs. Harry Bacas and Mrs. Henry Zon. Did they have forensics in the 1920s? A forensic pathologist of the 1920s had much in […]
What are 10 types of consumers?
What are 10 types of consumers? The 10 types of customers Disinterested. They don’t want what you are providing. Detached. You won these customers, but they lack loyalty. Delighted. Devoted. Disappointed. Disaffected. Dormant. Draining. What are the 2 types of customers? What are the Different Types of Customers? Customers play a significant role in any […]