What type of electromagnetic is used in radar? radio waves Why radio waves are used in radar? RADAR is fundamentally an electromagnetic sensor used to detect and locate objects. Radio waves are radiated out from the radar into free space. Some of the radio waves will be intercepted by reflecting objects (targets). The intercepted radio […]
What are three example cases that would probably be heard in federal court?
What are three example cases that would probably be heard in federal court? For the most part, federal court jurisdictions only hear cases in which the United States is a party, cases involving violations of the Constitution or federal law, crimes on federal land, and bankruptcy cases. Federal courts also hear cases based on state […]
What are some examples of selectively permeable materials?
What are some examples of selectively permeable materials? Examples of selectively permeable materials or items are; Vacuum filter- it traps dust but allows air through. Coffee filter- allows water to pass through, but does not allow the coffee grounds. Colander -used to strain liquid food from foods. it drains water but is not permeable to […]
How important is electric generator to everyday life?
How important is electric generator to everyday life? Many schools and sporting organizations rely on generators to power scoreboards, lights for evening games, speakers for announcers, and other electronics. Sometimes portable generators suffice for these uses, but often large, trailer-mounted units are needed to provide enough power for the setting. What are the types of […]
How many circulatory systems are there?
How many circulatory systems are there? The circulatory system consists of three independent systems that work together: the heart (cardiovascular), lungs (pulmonary), and arteries, veins, coronary and portal vessels (systemic). The system is responsible for the flow of blood, nutrients, oxygen and other gases, and as well as hormones to and from cells. What is […]
What is the effect of increased temperature on the pressure of air answer?
What is the effect of increased temperature on the pressure of air answer? This can be easily understood by visualising the particles of gas in the container moving with a greater energy when the temperature is increased. This means that they have more collisions with each other and the sides of the container and hence […]
What is a homogeneous market?
What is a homogeneous market? A homogeneous market is a type of marketplace in which each of the products traded in that market are more or less the same, although there may be some minor differences in design. Markets that can be classed as homogeneous involve the sale of all sorts of products. What are […]
What are the 2 main types of ocean currents?
What are the 2 main types of ocean currents? There are two type of Ocean Currents: Surface Currents–Surface Circulation. Deep Water Currents–Thermohaline Circulation. Primary Forces–start the water moving. The primary forces are: Secondary Forces–influence where the currents flow. Solar heating cause water to expand. What are the two types of ocean currents give examples? Two […]
Which chemical property is most important in determining soil characteristics?
Which chemical property is most important in determining soil characteristics? Soil pH. Soil pH is perhaps the single most important aspect of soil chemistry, because it affects the availability of nutrients to plants and the activity of microorganisms in the soil. Soil pH is a measure of the number of hydrogen ions (H+) present in […]