Is marble more resistant to weathering than granite? Marble is composed of a mineral that readily reacts with water (calcite), whereas granite is composed of minerals more resistant to weathering (like quartz). Marble is composed of calcite, a mineral strongly resistant to weathering, whereas granite is composed of quartz, a mineral strongly reactive in water. […]
When did fire alarms become standard?
When did fire alarms become standard? 1967 Why do schools have fire alarms? A fire alarm system is one such system that can help a school keep their students safe and secure. Fire Protection Questions? In the event of a fire, a fire alarm system must be able to quickly alert all students and faculty […]
What is impulse in science?
Does chamomile tea help start labor?
Does chamomile tea help start labor? In this study¸ chamomile stimulated labor in post-term pregnancy. With further studies, chamomile, which has no chemical side effects, can be suggested for stimulating labor in post-term pregnancy. What tea can I drink to induce labor? Red raspberry leaf tea. Midwives often recommend drinking red raspberry leaf tea as […]
Can birds interbreed like dogs?
Can birds interbreed like dogs? A few bird species are closely-related enough to interbreed, but unlike dogs, the category “birds” includes many, many different species that can’t interbreed. In general, it’s a “species” thing. The definition of species tends to be narrow enough that only animals of the same species can mate successfully. Can you […]
What causes a drought to happen?
What causes a drought to happen? The Short Answer: A drought is caused by drier than normal conditions that can eventually lead to water supply problems. Really hot temperatures can make a drought worse by evaporating moisture from the soil. A drought is a prolonged period with less-than-average amounts of rain or snow in a […]
How do you wish someone a happy new year in Thai?
What are excavators made from?
What are excavators made from? The booms and arms of backhoes and excavators, since they need considerable tensile strength, are often made of low-alloy steels that have been heat-treated to get the needed tensile strength—50,000-100,000 psi—and toughness levels. What is the digging part of an excavator called? The three main sections of an excavator are […]
Is child abduction a criminal Offence?
Is child abduction a criminal Offence? Although the words “child abduction” are used in this guide as a general term for the unauthorised removal of a child as described above, it is also a criminal offence in some circumstances. What are the consequences of child abduction? The returned child may suffer loyalty conflicts, emotional detachment, […]
How long can a Galapagos hawk live?
How long can a Galapagos hawk live? Unknown. It’s still not known for certain exactly how long Galapagos hawks live. More field research needs to be done to determine this fact, but just for a comparison, the red-tailed hawk of North America lives up to 25 years. Why is the Galapagos hawk endangered? Galapagos Hawk […]