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 […]
What 4 things are needed for photosynthesis?
What 4 things are needed for photosynthesis? For photosynthesis to take place, plants need to take in carbon dioxide (from the air), water (from the ground) and light (usually from the sun). What are the three end products of photosynthesis? Glucose and oxygen are the final products of photosynthesis. We all know that photosynthesis is […]
What is the hardest math problem?
What is the hardest math problem? Today’s mathematicians would probably agree that the Riemann Hypothesis is the most significant open problem in all of math. It’s one of the seven Millennium Prize Problems, with a million dollar reward for its solution. What is the hardest thing to find in Minecraft? elytra What do you do […]
Which is stronger cobalt or nickel?
Which is stronger cobalt or nickel? It was found that cobalt was even stronger than nickel, possess- ing a tensile strength of about 65,000 pounds per square inch. What do iron nickel and cobalt have in common? A magnetic alloy is a combination of various metals from the periodic table such as ferrite that contains […]
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 is R value of bubble wrap?
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 […]
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 […]