What natural resource does tape come from? But tape has a downside. Its adhesive — the substance that makes it stick — is made from a fossil fuel. Now a team of scientists has come up with a greener solution. They’ve made a new glue from chemicals found in trees. What elements is duct tape […]
Which Chinese cuisine is known for its hot and spicy dishes?
Which Chinese cuisine is known for its hot and spicy dishes? Hunan cuisine What type of cuisine is Beijing? Beijing cuisine, also known as Jing cuisine, Mandarin cuisine and Peking cuisine and formerly as Beiping cuisine, is the local cuisine of Beijing, the national capital of China…. Beijing cuisine Peking duck is a famous duck […]
What are the different types of smoke alarm?
What are the different types of smoke alarm? What are the different types of smoke alarms? Ionisation Alarm. Ionisation alarms are the cheapest type of alarm available. Optical alarm. Optical alarms use infrared beams to detect smoke. Heat alarm. Combined alarms or multi-sensors. Battery alarms. Mains alarms. Interconnected alarms. Stay safe. What is the best […]
Which sugar is best for yeast growth?
How much of Europe has been deforested?
How much of Europe has been deforested? In just six thousand years, more than half of Europe’s central and northern forests have disappeared, according to the results of new research. In a recent study published in Scientific Reports, scientists showed how most of the land there – more than two-thirds – was once covered by […]
Is noon 12 am or 12 pm?
Is noon 12 am or 12 pm? ‘Noon’ means ‘midday’ or 12 in the afternoon. The standard way of writing this therefore would be 12pm. However, there are ways to avoid the confusion completely: you could write 12 noon or 12 midnight instead. Alternatively, you could use the 24-hour clock system, where 12:00 is noon […]
What did they eat in the 1500s?
What did they eat in the 1500s? Barley, oats and rye were eaten by the poor. Wheat was for the governing classes. These were consumed as bread, porridge, gruel and pasta by all of society’s members. Fava beans and vegetables were important supplements to the cereal-based diet of the lower orders. What was eaten for […]
What is the difference between surround speakers and surround back speakers?
What is the difference between surround speakers and surround back speakers? There are two surround speakers for both sides of the room. The speakers are placed beside or slightly behind the listening area, such that sound is angled toward the audience. Back speakers get placed behind the side surround speakers and the listening area. Do […]
Which gas catches fire easily?
Which gas catches fire easily? The substances which have very low ignition temperature and can easily catch fire with a flame are called inflammable substances. Examples of inflammable substances are petrol, alcohol, Liquified Petroleum Gas (LPG) etc. What are the 4 behaviors of fire? Fire behavior includes such things as how fast a fire burns […]
Do butterflies dance?
Do butterflies dance? Many species of butterflies exhibit the spiral dance behavior, but here in the Midwest, the dance is most frequently observed in the white cabbage and yellow alfalfa butterflies. That is because these butterflies are the most common species across our landscapes. What is a butterfly behavior? The three P’s in butterfly behavior […]