Category: Physics

What are the 3 causes of scarcity? In economics, scarcity refers to resources that a limited in quantity. There are three causes of scarcity – demand-induced, supply-induced, and structural. There are also two types of scarcity – relative and absolute. How does scarcity affect your life examples? Scarcity of resources can affect us because we […]

What measurement represents volume? Volume is the measure of the amount of space occupied by an object. The standard SI unit of volume is defined by the base unit of length (Figure 3). The standard volume is a cubic meter (m3), a cube with an edge length of exactly one meter. Which choice best describes […]

Is Climbing the Leaning Tower of Pisa worth it? Definitely worth the climb all the way up. The very top (think icing on the cake) can make one a bit nervous as the railing is not very high but you can stop at the top walkway. This review is the subjective opinion of a TripAdvisor […]

What are 4 factors that affect weather? Although many factors combine to influence weather, the four main ones are solar radiation, the amount of which changes with Earth’s tilt, orbital distance from the sun and latitude, temperature, air pressure and the abundance of water. What region of Earth has the least insolation? The sun’s rays […]

Why it is called Test Cross? Testcross is a cross between F1​ hybrid and homozygous recessive parent. Test cross is so named as it determines whether the individual with dominant phenotype is homozygous dominant or heterozygous dominant. What is Codominance give an example? Codominance means that neither allele can mask the expression of the other […]

How do you test for nitrogen in fertilizer? To perform the test, simply mix some of your fertilizer with water to dissolve the nitrates and then mix it with hydrochloric acid. Then add in some copper metal. The reaction is very slow to start up unless you heat it. Why is it important to carry […]

Is the flat side of a battery negative? The polarity of batteries is what helps them supply current to a device. The plus sign, or +, indicates the positive terminal. The negative end of the battery should be flat, and it may or may not be marked with a minus, or -, symbol. What is […]

Who leads the world in geothermal energy? the US Who is the father of geothermal energy? Arturo Pineda Alcaraz Who was the first person to use geothermal energy? Archaeological evidence shows that the first human use of geothermal resources in North America occurred more than 10,000 years ago with the settlement of Paleo-Indians at hot […]

What is the greatest degree of precision? pipette How precise is a cm ruler? We can say that the measuring instrument is readable to ±0.05 cm. The ±0.05 cm means that your measurement may be off by as much as 0.05 cm above or below its true value. This value is called the uncertainty or […]

What are principles of code of ethics? Ethical Principles. The following broad ethical principles are based on social work’s core values of service, social justice, dignity and worth of the person, importance of human relationships, integrity, and competence. These principles set forth ideals to which all social workers should aspire. What are the 4 principles […]