What is a mixture of solid and liquid and gas? Heterogeneous mixtures include multi-phase substances (different states of matter), such as sand and water (solid and liquid) or carbonated drinks (gas and liquid). Can a solid and liquid make a gas mixed? When you combine the solid (baking soda) and the liquid (vinegar), the chemical […]
What features did the Sabre toothed tiger have that proved a disadvantage?
What features did the Sabre toothed tiger have that proved a disadvantage? A study of sabre-toothed tigers showed that their large canine teeth were fragile compared with those of modern-day cats. In contrast, the elongated canines of sabre-toothed predators were more oval, making them vulnerable to fracture. What killed the saber tooth cat? Smilodon died […]
Do dogs cry when grieving?
Do dogs cry when grieving? Even though dogs do not verbalize that they are happy or sad, astute pet owners interpret their pets’ emotions based on behavior. With these interpretations in mind, it is commonly acknowledged that dogs do feel happiness, sadness, possessiveness and fear. They also get angry and nervous. And they do indeed […]
What happens to stroke volume if venous return increases?
What happens to stroke volume if venous return increases? Briefly, an increase in venous return to the heart increases the filled volume (EDV) of the ventricle, which stretches the muscle fibers thereby increasing their preload. This leads to an increase in the force of ventricular contraction and enables the heart to eject the additional blood […]
Who was the 7th president born?
Who was the 7th president born? Andrew Jackson (March 15, 1767 – June 8, 1845) was an American lawyer, soldier, and statesman who served as the seventh president of the United States from 1829 to 1837…. Andrew Jackson Born March 15, 1767 Waxhaw Settlement between North Carolina and South Carolina, British America Who was the […]
Why would a person touching the metal leaf electroscope allow electrons to leave the electroscope?
Why would a person touching the metal leaf electroscope allow electrons to leave the electroscope? Grounding a Negatively Charged Object Any negatively charged object has an excess of electrons. If it is to have its charge removed, then it will have to lose its excess electrons. Upon contact, the excess electrons leave the electroscope and […]
Is Dell XPS 15 discontinued?
Is Dell XPS 15 discontinued? Dell XPS 15 15.6-Inch Touchscreen Laptop (XPS15-7368sLV) [Discontinued By Manufacturer] Is it worth buying Dell XPS? But with great performance and a gorgeous display packed into an attractive, slim package, the new Dell XPS 15 is one of the best laptops you can buy if you’re seeking a larger productivity […]
What does Sheol means in the Bible?
What does Sheol means in the Bible? the abode of the dead The Old Testament word for the abode of the dead is Sheol. It is derived, as most scholars think, from a word meaning hollow. To the Hebrew mind Sheol was simply the state or abode of the dead. It was not the same […]
What is interdependence and why is it important?
What is interdependence and why is it important? Interdependence provides support to individuals allowing them the strength to support others and to focus on their own personal growth. Individuals who are interdependent will reap the rewards immediately. You will achieve more success and happiness when you are connected to those around you. What does interdependence […]
Are sunflowers just yellow?
Are sunflowers just yellow? We usually think of sunflowers as yellow. But through a process known as cross-breeding, scientists achieve a variety of colors, including red, deep purple, white and some multi-colored versions. Regardless of the color of the petals, the sunflower centers remain dark brown or black, according to Garden Tabs. Why does a […]