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 […]
Why is NY the Empire State?
Why is NY the Empire State? New York is called “The Empire State” because of its wealth and variety of resources. This nickname appeared on New York license plates from 1951 through the mid-1960s. In 2001, “The Empire State” legend returned to New York license plates. Why is NY called the Big Apple? The nickname […]
Should I turn left or right?
Should I turn left or right? When you’re making a left-hand turn, you should always give the right-of-way to drivers who don’t have stop signs or yield signs. If you’re turning left at a green light, pull out into the intersection but wait to turn left until all oncoming traffic has passed. Which lane do […]
Which bone would take the longest to heal?
Which bone would take the longest to heal? A fracture of the upper arm or humerus may heal uneventfully in several weeks, while a fracture in the forearm takes much longer. The femur, or thighbone, is the longest and strongest bone in the body and difficult to break without major trauma. What are the two […]
What is the most common type of aquifer?
What is the most common type of aquifer? There are two general types of aquifers: confined and unconfined. Confined aquifers have a layer of impenetrable rock or clay above them, while unconfined aquifers lie below a permeable layer of soil. How do you check underground water level? The ground penetrating radar (GPR) system is used […]
What happens to voltage and current in a closed circuit?
What happens to voltage and current in a closed circuit? In a closed circuit, the electric current flows and the voltage is always: – Different from zero for the battery or electric generator. – Different from zero for a lamp, a motor, a resistance or a bypass diode. – Zero for a connecting wire or […]
How do I know who I really am?
Is high salinity bad?
Does speed increase as pressure increases?
Does speed increase as pressure increases? Bernoulli’s Principle states that as the speed of a moving fluid increases, the pressure within the fluid decreases. Does increasing pressure increase speed? In this case when the gas is compressed to half the volume, the pressure is doubled. Therefore for such case, speed of the gas particles remains […]