What are the types of LDR? Light dependent resistors, LDRs or photoresistors fall into one of two types or categories: Intrinsic photoresistors: Intrinsic photoresistors use un-doped semiconductor materials including silicon or germanium. What is the purpose of LDR? An LDR is a component that has a (variable) resistance that changes with the light intensity that […]
Which part of Earth gets the most sunlight?
Which part of Earth gets the most sunlight? the equator What part of Earth gets the least amount of sunlight? The places in the world with the fewest daylight hours Rjukan (Noruega) Imagine a little village located in a valley to the south of Norway, surrounded by mountains. Barrow (USA) We return to North America […]
What colors do plants absorb best?
What colors do plants absorb best? Short answer: plant absorbs mostly “blue” and “red” light. They rarely absorb green for its mostly reflected by plant, that makes them green! Long answer : Photosynthesis is the ability of plants to absorb the energy of light, and convert it into energy for the plant. Do plants grow […]
What instrument can make any sound?
What instrument can make any sound? What instrument can make any sound and be heard but not touched or seen? Your voice. What are examples of idiophones? Idiophones make their sound by hitting, rubbing or shaking. Drums are not idiophones. Neither are stringed instruments. Examples of idiophones include the triangle, wood block, maracas, bell, and […]
What are 2 disadvantages of wind energy?
What are 2 disadvantages of wind energy? The two major disadvantages of wind power include initial cost and technology immaturity. Firstly, constructing turbines and wind facilities is extremely expensive. The second disadvantage is technology immaturity. Why is wind energy bad? Wind turbines are a potential threat to wildlife such as birds and bats. Deforestation to […]
What are 2 ways to keep a gas dissolved in a liquid?
Who signs contract first buyer or seller?
Who signs contract first buyer or seller? Once a real estate seller and buyer agree to terms, the seller normally signs a real estate purchase agreement or sales contract. Real estate buyers are generally expected to sign purchase agreements first, though, especially during offer and counteroffer phases. What is a deed consideration? Consideration is a […]
What if there is 2 modes?
Do roller coasters just use gravity?
Do roller coasters just use gravity? A roller coaster is a machine that uses gravity and inertia to send a train of cars along a winding track. The combination of gravity and inertia, along with g-forces and centripetal acceleration give the body certain sensations as the coaster moves up, down, and around the track. How […]