What is a positive terminal and negative terminal? Electrical polarity is a term used throughout industries and fields that involve electricity. There are two types of poles: positive (+) and negative (−). This represents the electric potential at the ends of a circuit. A battery has a positive terminal (+ pole) and a negative terminal […]
Why do we need to conserve energy?
Why do we need to conserve energy? First of all, reducing energy use limits the number of carbon emissions in the environment. In turn, conserving energy produces a higher quality of life. Reduced emissions result in cleaner air quality. In addition, it helps create a healthier planet, or at least helps sustain the resources we […]
Which condition causes storms to occur freezing of water droplets?
Which condition causes storms to occur freezing of water droplets? Cold Air Damming and Extended Lows Freezing rain develops when warm oceanic air rises up and over the cold air, producing liquid precipitation that falls through the cold layer. The falling droplets become supercooled and freeze on impact with the cold surface. Where is the […]
Which fruit or seed is dispersed by animals?
Which fruit or seed is dispersed by animals? Examples include mangoes, guavas, breadfruit, carob, and several fig species. In South Africa, a desert melon (Cucumis humifructus) participates in a symbiotic relationship with aardvarks—the animals eat the fruit for its water content and bury their own dung, which contains the seeds, near their burrows. What seeds […]
How many watts is 13 amps?
How many watts is 13 amps? 156 Watts Is 13 amp plug normal? Plugs for appliances rated between about 700 watts and 3000 watts (the maximum rating of a wall socket) should be fitted with a 13-amp fuse (coloured brown). For example: 13A Fuse – Washing machine, dishwasher, microwave, kettle, toaster, iron. Can you put […]
What are skin macrophages that help activate the immune system?
What are skin macrophages that help activate the immune system? Dendritic cells Skin macrophages that help activate the immune system. What are the five layers of the epidermis? The layers of the epidermis include the stratum basale (the deepest portion of the epidermis), stratum spinosum, stratum granulosum, stratum lucidum, and stratum corneum (the most superficial […]
How many significant figures does 0.00120 have?
How many significant figures does 0.00120 have? 3 significant figures How many significant figures does 0.003 have? # of sig. fig. # of decimal places c) 0.003 1 3 d) 0.00170 3 5 e) 3,000 assume 1 0 f) 3,000. 4 0 How many significant figures does 0.020 have? two significant figures How many significant […]
What is the light spectrum called?
What is the light spectrum called? The visible spectrum is the portion of the electromagnetic spectrum that is visible to the human eye. Electromagnetic radiation in this range of wavelengths is called visible light or simply light. What is the meaning of 2020 vision? 20/20 vision is a term used to express normal visual acuity […]
How do you make a simple electromagnet?
How do you make a simple electromagnet? Electromagnets can be created by wrapping a wire around an iron nail and running current through the wire. The electric field in the wire coil creates a magnetic field around the nail. In some cases, the nail will remain magnetised even when removed from within the wire coil. […]
What type of energy is stored in an unlit match?
What type of energy is stored in an unlit match? potential energy Which best explains Taros error? Which best explains Taro’s error? The total energy of the system remains the same. The human body stores chemical energy from digested food. Some of the chemical energy is converted into mechanical energy when the body moves. Which […]