What is Type 2 B Construction? TYPE II-B–Unprotected Non-Combustible (Most common type of non-combustible construction used in commercial buildings). Building constructed of non-combustible materials but these materials have no fire resistance. Exterior Walls* No fire resistance for structural frame, floors, ceilings, or roofs. What are the 4 types of construction? The four major types of […]
Which planets have unmanned spacecraft landed on?
Which planets have unmanned spacecraft landed on? On December 15, 1970 an unmanned Soviet spacecraft, Venera 7, became the first spacecraft to land on another planet. It measured the temperature of the atmosphere on Venus. In 1972, Venera 8 gathered atmospheric and surface data for 50 minutes after landing. What are the two types of […]
How long does information last in short term memory?
How long does information last in short term memory? approximately 20 to 30 seconds What are the three functions of sensory memory? In general, the memory process involves three stages—encoding, storage, and retrieval—and each recruits different brain networks. For example, when information comes into our sensory memory, it often needs three systems to encode information: […]
Which environmental careers are most similar?
Which environmental careers are most similar? Environmental physician, environmental veterinarian.” The groups of environmental science careers that are most similar is that of Environmental physician and environmental veterinarian. What kind of jobs can you get with a environmental science degree? Careers with an environmental science degree include environmental scientist and specialist, environmental engineer, and environmental […]
How many plant pigments are there?
How many plant pigments are there? three What are the four pigments found in chlorophyll? Chlorophyll a is the core pigment that absorbs sunlight for light dependent photosynthesis. Accessory pigments such as: cholorphyll b, carotenoids, xanthophylls and anthocyanins lend a hand to chlorophyll a molecules by absorbing a broader spectrum of light waves. How do […]
What are the 3 classifications of joints?
What are the 3 classifications of joints? Joints can be classified by the type of the tissue present (fibrous, cartilaginous or synovial), or by the degree of movement permitted (synarthrosis, amphiarthrosis or diarthrosis). What are the different kinds of joints? There are six types of freely movable diarthrosis (synovial) joints: Ball and socket joint. Permitting […]
Is it bad to plug your nose and pop your ears?
Is it bad to plug your nose and pop your ears? Blowing Too Hard Can Perforate Your Eardrum (Dry air conditions on airplanes can cause sinus congestion blocking your Eustachian tubes.) Most doctors don’t recommend the hold-your-nose-and-breath technique to force air through your Eustachian tubes because too much pressure can tear your eardrum. How do […]
What material is very strong and tough but shows very little elongation as it absorbs energy?
What material is very strong and tough but shows very little elongation as it absorbs energy? Kevlar Which factor would be considered when deciding upon a building material? durability, affordability, performance, all of the above. Answer: All of the above. Durability, affordability, and performance, would all be considered when deciding upon a building material. What […]
What is Polar vs nonpolar?
What is Polar vs nonpolar? Polar molecules occur when there is an electronegativity difference between the bonded atoms. Nonpolar molecules occur when electrons are shared equal between atoms of a diatomic molecule or when polar bonds in a larger molecule cancel each other out. What is an example of a polar bond? Polar bonds are […]
What 3 things do all forces need?
What 3 things do all forces need? If something is doing one of these four things there must be a net force acting upon it….What can forces do? Make it speed up – accelerate. Make it slow down – decelerate. Change its direction. Change its shape. Is push or pull an unbalanced force? Unbalanced forces […]