What are three lung diseases that can be caused by air pollution? Air pollution is the cause and aggravating factor of many respiratory diseases like chronic obstructive pulmonary disease (COPD) (11,12), asthma (12,13), and lung cancer (14,15). Who is most affected by air pollution? The groups most affected by air pollution are people of color, […]
Whats does screw mean?
Whats does screw mean? The Oxford English Dictionary defines screw as “to tighten; to press or force by means of a screw; or to extort by pressure.” The most common image or gesture that one thinks of when first hearing this word usually deals with the repeated motion that one uses to tighten a screw […]
Which is the least unit of weight?
Are radioisotopes used in MRI scans?
Are radioisotopes used in MRI scans? When used in medical practices, radioisotopes are used particularly for diagnosis and therapy of various medical conditions. In regards to diagnoses, the isotopes are used in conjunction with scanning machines such as MRI, CT scans, and others, to image and diagnose disorders that couldn’t otherwise be seen. What are […]
What makes a car run rough at idle?
What makes a car run rough at idle? A rough idling engine can be caused by spark plugs or spark plug wires. Spark plugs use the electrical current received from ignition coils to ignite the air/fuel mixture within the combustion chamber. If the damage is bad enough, you may also notice your engine running rough […]
What is a dependency country?
What is a dependency country? A dependent territory, dependent area, or dependency is a territory that does not possess full political independence or sovereignty as a sovereign state, yet remains politically outside the controlling state’s integral area. Historically, most colonies were considered to be dependent territories. Which country is a dependent territory? A subnational entity […]
Are the daughter cells identical in meiosis?
Are the daughter cells identical in meiosis? Like mitosis, meiosis is a form of eukaryotic cell division. Mitosis creates two identical daughter cells that each contain the same number of chromosomes as their parent cell. In contrast, meiosis gives rise to four unique daughter cells, each of which has half the number of chromosomes as […]
What are the problems with space exploration?
What are the problems with space exploration? Problem: Space travel can present extreme environments that affect machine operations and survival. Like humans, machines are impacted by gravity, propulsive forces, radiation, gases, toxins, chemically caustic environments, static discharge, dust, extreme temperatures, frequent temperature variations and more. How does space exploration affect the economy? “In this new […]
Can you launch a boat by yourself?
What do you think is the difference between the earthquake epicenter from its focus?
What do you think is the difference between the earthquake epicenter from its focus? Epicenter is the location on the surface of the Earth directly above where the earthquake starts. Focus (aka Hypocenter) is the location in the Earth where the earthquake starts. Why is it important to know the epicenter of an earthquake? The […]