Can we live on Mercury? Tough Place to Live No evidence for life has been found on Mercury. Daytime Temperatures can reach 430 degrees Celsius (800 degrees Fahrenheit) and drop to -180 degrees Celsius (-290 degrees Fahrenheit) at night. It is unlikely life (as we know it) could survive on this planet. What is Mercury’s […]
What color LED is best for plants?
What are the 2 types of primary safeguarding methods?
What are the 2 types of primary safeguarding methods? Two primary methods are used to safeguard machines: guards and some types of safeguarding devices. Guards provide physical barriers that prevent access to danger areas. Is grinding wheel dust dangerous? Fine particles created by cutting and grinding can get deep into the lungs. Most concrete and […]
What is the most important part of the preamble?
What is the most important part of the preamble? The Preamble is an explanation why the Constitution was written, and the major goals it hopes to accomplish. The single most important part of the Preamble is the first three words, “We the people…” which point out where our government receives its authority from, the people […]
Where is Earth in habitable zone?
Where is Earth in habitable zone? The distance Earth orbits the Sun is just right for water to remain a liquid. This distance from the Sun is called the habitable zone, or the Goldilocks zone. Can we live on Kepler 186f? One review essay in 2015 concluded that Kepler-186f, along with the exoplanets Kepler-442b and […]
Does sodium bond with chlorine?
Does sodium bond with chlorine? The sodium cation (Na+) and the chlorine anion (Cl-) are attracted to one another to form sodium chloride, or table salt. Although ionic bonds are very strong, they can be relatively easily broken if another attractive ion (or polar molecule) comes around. Two atoms each become ions. Why does sodium […]
What are the disadvantages of a potentiometer?
What are the disadvantages of a potentiometer? Disadvantages of Potentiometer The use of Potentiometer is inconvenient. The area of cross-Section of potentiometer wire must be uniform which is practically not possible. During experiment the temperature of potentiometer wire must remain uniform. The major disadvantage is that it requires a large force to move their sliding […]
What are the five sources?
What are the five sources? The five sources of power and influence are: reward power, coercive power, legitimate power, expert power and referent power. o Using a reward to obtain power is something you may be familiar with from childhood. What are the 8 sources of information? In this section you will learn about the […]
What is an example of a radio telescope?
What is an example of a radio telescope? An example of a large physically connected radio telescope array is the Giant Metrewave Radio Telescope, located in Pune, India. How does a radio telescope make an image? To begin with, imaging of any kind done with radio telescopes (or radio antennae on spacecraft) is an active […]
Why is rolling a ball down a hill considered an unbalanced force?
Why is rolling a ball down a hill considered an unbalanced force? Answer: An unbalanced force refers to the force that causes change in velocity that is causes acceleration of the body. An unbalanced force makes a body to change either its speed or direction or both. A ball rolling down a hill, accelerates downwards […]