Is CRT TV bad for eyes? There are two things about CRTs that can potentially damage eyesight. #1 is staring at the same close-range object for hours at a time, causing eyestrain. The muscles that focus the lens are forced to hold one position for a long time, and that can hurt them after too […]
Are temperature and moles directly proportional?
Are temperature and moles directly proportional? At constant temperature and pressure the volume of a gas is directly proportional to the number of moles of gas. At constant temperature and volume the pressure of a gas is directly proportional to the number of moles of gas. What happens to pressure when volume and temperature decrease? […]
How do I make my plants more green?
How do I make my plants more green? Magnesium in the Epsom salt plays a very crucial role in photosynthesis which is used by the plants to convert sunlight into food. The photosynthesis process creates chlorophyll which is the pigment that gives green plants and algae their color. Are yellow leaves a sign of overwatering? […]
What structures do both plant and animal cells?
What structures do both plant and animal cells? Structurally, plant and animal cells are very similar because they are both eukaryotic cells. They both contain membrane-bound organelles such as the nucleus, mitochondria, endoplasmic reticulum, golgi apparatus, lysosomes, and peroxisomes. Both also contain similar membranes, cytosol, and cytoskeletal elements. What is the difference between nutrition in […]
What are the two main ideas of the kinetic molecular theory of matter?
What are the two main ideas of the kinetic molecular theory of matter? The simplest kinetic model is based on the assumptions that: (1) the gas is composed of a large number of identical molecules moving in random directions, separated by distances that are large compared with their size; (2) the molecules undergo perfectly elastic […]
What are the three main reasons for seasons?
What are the three main reasons for seasons? We have seasons because the earth is tilted (wonky) as it makes its yearly journey around the sun. The Earth’s axis is tilted at an angle of 23.5 degrees….Winter Months Tilt. Revolution – The Earth revolves around the Sun. The North Pole always POINTS in the Same […]
Is Togo like Balto?
Is Togo like Balto? Though Balto often gets the credit for saving the town of Nome, it was Togo, a Siberian Husky, who led his team across the most dangerous leg of the journey. Named after Heihachiro Togo, a Japanese Admiral who fought in the war between Russia and Japan (1904-05), Togo was the lead […]
Does bike weight affect speed?
Does bike weight affect speed? (A heavier bike won’t make up the entire difference, especially if the downhill requires breaking, but it will accelerate slightly faster than a lighter one.) A much more efficient—and economical—way to lighten your load is to shed body weight, says Gourley, not bike weight. Why is it hard to pedal […]
Why are heat islands dangerous?
Why are heat islands dangerous? Heat islands contribute to higher daytime temperatures, reduced nighttime cooling, and higher air-pollution levels. These, in turn, contribute to heat-related deaths and heat-related illnesses such as general discomfort, respiratory difficulties, heat cramps, heat exhaustion, and non-fatal heat stroke. What causes a heat island? How Do Heat Islands Form? Tall buildings […]
What time of day do most people do laundry?
What time of day do most people do laundry? When is the best time to wash clothes? Try washing before 4 p.m. or after 7 p.m. – Many energy companies charge extra for electricity during their “peak hours,” which see increased energy usage. During the summer, run your washer early in the morning – energy […]