What are the two major differences between mitosis and meiosis? Cells divide and reproduce in two ways, mitosis and meiosis. Mitosis results in two identical daughter cells, whereas meiosis results in four sex cells. What is the difference between mitosis and asexual reproduction? Mitosis happens only in somatic cells of higher organisms; Asexual reproduction occurs […]
What are the three types of valleys?
What are the three types of valleys? Erosional valley: A valley formed by erosion. Structural valley: A valley formed by geologic events such as drop faults or the rise of highlands. Dry valley: A valley not created by sustained surface water flow. Longitudinal valley: An elongated valley found between two nearly-parallel mountain chains. How do […]
What lives in low tide zone?
What lives in low tide zone? Organisms in this area include anemones, barnacles, chitons, crabs, green algae, isopods, limpets, mussels, sea lettuce, sea palms, sea stars, snails, sponges, and whelks. Low Tide Zone: Also called the Lower Littoral Zone. This area is usually under water – it is only exposed when the tide is unusually […]
Which is the best example of law of conservation of mass?
Which is the best example of law of conservation of mass? The law of conservation of mass states that matter cannot be created or destroyed in a chemical reaction. For example, when wood burns, the mass of the soot, ashes, and gases equals the original mass of the charcoal and the oxygen when it first […]
Is roasting a marshmallow over a campfire radiation?
Is roasting a marshmallow over a campfire radiation? Burnt marshmallow is simply a marshmallow that has been extremely toasted! There are two main processes that heat a marshmallow: absorption of campfire radiation (photons) and contact with very hot air rising off the fire (convection). If we place the marshmallow directly above the fire, we get […]
Which is better AC or DC current?
Which is better AC or DC current? DC power is significantly more energy efficient than AC power. DC motors and appliances have higher efficiency and power to size characteristics. DC-based lighting (LED) is as much as 75% more efficient than incandescent lighting. Is AC safer than DC? A.C. is said to be four to five […]
Does eyesight improve after quitting drinking?
Does eyesight improve after quitting drinking? For example, after just 24 hours of no alcohol, your blood sugar levels will normalise and blurred vision caused by alcohol intake will disappear. “The longer you abstain you may also notice your eyes become brighter and whiter, as your body counteracts damage/yellowing of the sclera – the white […]
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 […]
What type of evidence is a shoe print?
What type of evidence is a shoe print? Footwear evidence can be found in two forms, impressions and prints. The impression is normally described as a three-dimensional impression, such as an impression in mud or a soft material; and the print is described as a print made on a solid surface by dust, powder, or […]
Is it harder to draw or paint?
Is it harder to draw or paint? Many people consider painting to be more difficult than drawing because most artists learn to draw first. You start out drawing, which makes it seem only natural that painting is a more advanced technique. If most artists started out painting first, then the general consensus would probably be […]