Is germanium a good conductor of electricity? Pure silicon and germanium are poor conductors of electricity because their outer electrons are tied up in the covalent bonds of the diamondlike framework. They are not conductors in the metallic sense of the word, but are semiconductors. Which is better conductor silicon or germanium? Germanium is a […]
Which planet has the slowest orbital velocity?
Which planet has the slowest orbital velocity? If Pluto had maintained its planet status, it would have the slowest orbital speed at just 10,438 miles per hour. Instead, Neptune again wins with an orbital speed of 12,148 miles per hour. Compared to Earth’s 66,621 miles per hour, Neptune is practically sluggish. What season is Earth’s […]
How can you improve your physical fitness?
How can you improve your physical fitness? They keep your heart, lungs, and circulatory system healthy and improve your overall fitness. Examples include brisk walking, jogging, swimming, and biking. Strength, or resistance training, exercises make your muscles stronger. Some examples are lifting weights and using a resistance band. Which exercise will help to cure diabetes? […]
What are two differences between a compound and mixture?
What are two differences between a compound and mixture? Mixtures are the impure substances, made up of two or more physically mixed substances and not in the fixed ratio. Compounds are the pure form, made up of two or more chemically mixed elements and in a fixed ratio. Mixtures do not have meting or boiling […]
Can Dolphins communicate with humans?
Can Dolphins communicate with humans? Can dolphins communicate with humans? Dolphins and humans can communicate to a limited degree. Dolphins are capable of learning skills based on human instruction and expressing certain desires. Any dolphin trainer will tell you that dolphins and humans can indeed communicate in a limited in fashion. Do we understand dolphin […]
What are the 4 main provisions of the Endangered Species Act?
What are the 4 main provisions of the Endangered Species Act? The Endangered Species Act (“ESA”) prohibits importing, exporting, taking, possessing, selling, and transporting endangered and threatened species (with certain exceptions). ESA also provides for the designation of critical habitat and prohibits the destruction of that habitat. Is the Endangered Species Act successful? The US […]
Does Vantablack absorb heat?
Does Vantablack absorb heat? Vantablack converts light energy over a wide spectral range into heat energy, making it the blackest substance known (99.965% absorption of incident radiation). How much does Vantablack heat up? Vantablack absorbs up to 99.965% of visible light and can be created at 400 °C (752 °F). Can Vantablack boil water? Fun […]
Why is it important to have a reference point?
Why is it important to have a reference point? A reference point is important in determining motion because in order to say that something is moving, you need to have something stationary to compare it to. Is the cyclist accelerating How do you know? How do you know the cyclist is accelerating? a graph of […]
Why is rose quartz so powerful?
Why is rose quartz so powerful? “As a necklace, rose quartz is especially powerful because it’s worn close to the heart and heart chakra. This enables the heart center to open and release any tensions or stresses held there,” Birch claims. How long does it take to form rose quartz? Mine were formed in about […]
What is the most dangerous penguin?
What is the most dangerous penguin? Adélie Do penguins think humans are penguins? Penguins have no special fear of humans and will often approach groups of people. This is probably because penguins have no land predators in Antarctica or the nearby offshore islands. Instead, adult penguins are at risk at sea from predators such as […]